diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/ActionBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/ActionBuilder.java
new file mode 100644
index 000000000..ef5278567
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/ActionBuilder.java
@@ -0,0 +1,36 @@
+package li.strolch.model.builder;
+
+import li.strolch.model.PolicyContainer;
+import li.strolch.model.activity.Action;
+
+public class ActionBuilder extends PolicyContainerBuilder<ActionBuilder> implements ActivityElementBuilder {
+
+	private final ActivityBuilder builder;
+
+	private String resourceId;
+	private String resourceType;
+
+	public ActionBuilder(ActivityBuilder builder, String id, String name, String type) {
+		super(id, name, type);
+		this.builder = builder;
+	}
+
+	public ActivityBuilder endAction() {
+		return this.builder;
+	}
+
+	public ActionBuilder resource(String type, String id) {
+		this.resourceType = type;
+		this.resourceId = id;
+		return this;
+	}
+
+	@Override
+	public Action build() {
+		Action action = new Action(getId(), getName(), getType());
+		action.setResourceId(this.resourceId);
+		action.setResourceType(this.resourceType);
+		build((PolicyContainer) action);
+		return action;
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/ActivityBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/ActivityBuilder.java
new file mode 100644
index 000000000..a7f1a89c2
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/ActivityBuilder.java
@@ -0,0 +1,65 @@
+package li.strolch.model.builder;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import li.strolch.model.activity.Activity;
+import li.strolch.model.activity.TimeOrdering;
+import li.strolch.utils.dbc.DBC;
+
+public class ActivityBuilder extends RootElementBuilder<ActivityBuilder> implements ActivityElementBuilder {
+
+	private final TemplatesBuilder templatesBuilder;
+	private final ActivityBuilder parentBuilder;
+	private final TimeOrdering timeOrdering;
+
+	private final List<ActivityElementBuilder> builders;
+
+	public ActivityBuilder(TemplatesBuilder builder, String id, String name, String type, TimeOrdering timeOrdering) {
+		super(id, name, type);
+		this.templatesBuilder = builder;
+		this.parentBuilder = null;
+		this.timeOrdering = timeOrdering;
+		this.builders = new ArrayList<>();
+	}
+
+	public ActivityBuilder(TemplatesBuilder builder, ActivityBuilder parentBuilder, String id, String name, String type,
+			TimeOrdering timeOrdering) {
+		super(id, name, type);
+		this.templatesBuilder = builder;
+		this.parentBuilder = parentBuilder;
+		this.timeOrdering = timeOrdering;
+		this.builders = new ArrayList<>();
+	}
+
+	public ActivityBuilder subActivity(String id, String name, String type, TimeOrdering timeOrdering) {
+		ActivityBuilder builder = new ActivityBuilder(this.templatesBuilder, this, id, name, type, timeOrdering);
+		this.builders.add(builder);
+		return builder;
+	}
+
+	public ActionBuilder action(String id, String name, String type) {
+		ActionBuilder builder = new ActionBuilder(this, id, name, type);
+		this.builders.add(builder);
+		return builder;
+	}
+
+	public ActivityBuilder endSubActivity() {
+		DBC.PRE.assertNotNull("all sub activities already closed", this.parentBuilder);
+		return this.parentBuilder;
+	}
+
+	public TemplatesBuilder endActivity() {
+		return this.templatesBuilder;
+	}
+
+	@Override
+	public Activity build() {
+		Activity activity = new Activity(getId(), getName(), getType(), this.timeOrdering);
+		super.build(activity);
+
+		this.builders.forEach(b -> activity.addElement(b.build()));
+
+		return activity;
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/ActivityElementBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/ActivityElementBuilder.java
new file mode 100644
index 000000000..b4424005c
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/ActivityElementBuilder.java
@@ -0,0 +1,7 @@
+package li.strolch.model.builder;
+
+import li.strolch.model.activity.IActivityElement;
+
+public interface ActivityElementBuilder {
+	IActivityElement build();
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/BagBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/BagBuilder.java
new file mode 100644
index 000000000..7dc162abe
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/BagBuilder.java
@@ -0,0 +1,107 @@
+package li.strolch.model.builder;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import li.strolch.model.ParameterBag;
+import li.strolch.model.ParameterBagContainer;
+import li.strolch.model.builder.params.*;
+
+public class BagBuilder<T extends ParameterBagContainerBuilder<T>> {
+
+	private final T builder;
+	private final String id;
+	private final String name;
+	private final String type;
+	private final List<ParameterBuilder<?, ?>> parameters;
+
+	public BagBuilder(T builder, String id, String name, String type) {
+		this.builder = builder;
+		this.id = id;
+		this.name = name;
+		this.type = type;
+		this.parameters = new ArrayList<>();
+	}
+
+	public StringParamBuilder<T> string(String id, String name) {
+		StringParamBuilder<T> builder = new StringParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public TextParamBuilder<T> text(String id, String name) {
+		TextParamBuilder<T> builder = new TextParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public BooleanParamBuilder<T> booleanB(String id, String name) {
+		BooleanParamBuilder<T> builder = new BooleanParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public IntegerParamBuilder<T> integer(String id, String name) {
+		IntegerParamBuilder<T> builder = new IntegerParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public LongParamBuilder<T> longB(String id, String name) {
+		LongParamBuilder<T> builder = new LongParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public FloatParamBuilder<T> floatB(String id, String name) {
+		FloatParamBuilder<T> builder = new FloatParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public DateParamBuilder<T> date(String id, String name) {
+		DateParamBuilder<T> builder = new DateParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public DurationParamBuilder<T> duration(String id, String name) {
+		DurationParamBuilder<T> builder = new DurationParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public StringListParamBuilder<T> stringList(String id, String name) {
+		StringListParamBuilder<T> builder = new StringListParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public IntegerListParamBuilder<T> integerList(String id, String name) {
+		IntegerListParamBuilder<T> builder = new IntegerListParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public LongListParamBuilder<T> longList(String id, String name) {
+		LongListParamBuilder<T> builder = new LongListParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public FloatListParamBuilder<T> floatList(String id, String name) {
+		FloatListParamBuilder<T> builder = new FloatListParamBuilder<>(this, id, name);
+		this.parameters.add(builder);
+		return builder;
+	}
+
+	public T endBag() {
+		return this.builder;
+	}
+
+	public void build(ParameterBagContainer element) {
+		ParameterBag bag = new ParameterBag(this.id, this.name, this.type);
+		this.parameters.forEach(b -> bag.addParameter(b.build()));
+		element.addParameterBag(bag);
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/OrderBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/OrderBuilder.java
new file mode 100644
index 000000000..84f8f845c
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/OrderBuilder.java
@@ -0,0 +1,28 @@
+package li.strolch.model.builder;
+
+import li.strolch.model.Order;
+import li.strolch.model.State;
+import li.strolch.utils.iso8601.ISO8601;
+
+public class OrderBuilder extends RootElementBuilder<OrderBuilder> {
+
+	private final TemplatesBuilder builder;
+
+	public OrderBuilder(TemplatesBuilder builder, String id, String name, String type) {
+		super(id, name, type);
+		this.builder = builder;
+	}
+
+	public TemplatesBuilder endOrder() {
+		return this.builder;
+	}
+
+	@Override
+	public Order build() {
+		Order order = new Order(getId(), getName(), getType());
+		super.build(order);
+		order.setDate(ISO8601.EMPTY_VALUE_ZONED_DATE);
+		order.setState(State.CREATED);
+		return order;
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/ParameterBagContainerBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/ParameterBagContainerBuilder.java
new file mode 100644
index 000000000..c97a3ccc9
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/ParameterBagContainerBuilder.java
@@ -0,0 +1,192 @@
+package li.strolch.model.builder;
+
+import static java.util.Collections.emptyList;
+import static li.strolch.model.StrolchModelConstants.*;
+import static li.strolch.model.StrolchModelConstants.PolicyConstants.BAG_OBJECTIVES;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import li.strolch.model.ParameterBag;
+import li.strolch.model.ParameterBagContainer;
+import li.strolch.model.Tags;
+import li.strolch.model.parameter.StringListParameter;
+import li.strolch.model.parameter.StringParameter;
+
+public abstract class ParameterBagContainerBuilder<T extends ParameterBagContainerBuilder<T>> {
+
+	private final String id;
+	private final String type;
+	private final String name;
+
+	private final Map<String, BagBuilder<T>> parametersBags;
+	private final Map<String, String[]> singleRelations;
+	private final Map<String, String[]> multiRelations;
+
+	public ParameterBagContainerBuilder(String id, String name, String type) {
+		this.id = id;
+		this.name = name;
+		this.type = type;
+
+		this.parametersBags = new HashMap<>();
+		this.singleRelations = new HashMap<>();
+		this.multiRelations = new HashMap<>();
+	}
+
+	public String getId() {
+		return this.id;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public String getType() {
+		return this.type;
+	}
+
+	public BagBuilder<T> defaultBag() {
+		return bag(BAG_PARAMETERS, TYPE_PARAMETERS, TYPE_PARAMETERS);
+	}
+
+	public BagBuilder<T> objectivesBag() {
+		return bag(BAG_OBJECTIVES, TYPE_OBJECTIVES, TYPE_OBJECTIVES);
+	}
+
+	public BagBuilder<T> relationsBag() {
+		return bag(BAG_RELATIONS, TYPE_RELATIONS, TYPE_RELATIONS);
+	}
+
+	public BagBuilder<T> bag(String id, String name, String type) {
+		@SuppressWarnings("unchecked")
+		BagBuilder<T> bagBuilder = new BagBuilder<>((T) this, id, name, type);
+		if (this.parametersBags.put(id, bagBuilder) != null)
+			throw new IllegalArgumentException("Bag builder for " + id + " already exists!");
+		return bagBuilder;
+	}
+
+	private String buildParamId(String type) {
+		return Character.toLowerCase(type.charAt(0)) + type.substring(1);
+	}
+
+	public T resourceRelation(String type) {
+		return resourceRelation(buildParamId(type), type, type);
+	}
+
+	public T resourceRelation(String paramId, String paramName, String type) {
+		assertNotMapped(paramId);
+		this.singleRelations.put(paramId, new String[] { paramName, type, Tags.RESOURCE });
+		@SuppressWarnings("unchecked")
+		T t = (T) this;
+		return t;
+	}
+
+	public T resourceRelations(String type) {
+		return resourceRelations(buildParamId(type), type + "s", type);
+	}
+
+	public T resourceRelations(String paramId, String paramName, String type) {
+		assertNotMapped(paramId);
+		this.multiRelations.put(paramId, new String[] { paramName, type, Tags.RESOURCE });
+		@SuppressWarnings("unchecked")
+		T t = (T) this;
+		return t;
+	}
+
+	public T orderRelation(String type) {
+		return orderRelation(buildParamId(type), type, type);
+	}
+
+	public T orderRelation(String paramId, String paramName, String type) {
+		assertNotMapped(paramId);
+		this.singleRelations.put(paramId, new String[] { paramName, type, Tags.ORDER });
+		@SuppressWarnings("unchecked")
+		T t = (T) this;
+		return t;
+	}
+
+	public T orderRelations(String type) {
+		return orderRelations(buildParamId(type), type + "s", type);
+	}
+
+	public T orderRelations(String paramId, String paramName, String type) {
+		assertNotMapped(paramId);
+		this.multiRelations.put(paramId, new String[] { paramName, type, Tags.ORDER });
+		@SuppressWarnings("unchecked")
+		T t = (T) this;
+		return t;
+	}
+
+	public T activityRelation(String type) {
+		return activityRelation(buildParamId(type), type, type);
+	}
+
+	public T activityRelation(String paramId, String paramName, String type) {
+		assertNotMapped(paramId);
+		this.singleRelations.put(paramId, new String[] { paramName, type, Tags.ACTIVITY });
+		@SuppressWarnings("unchecked")
+		T t = (T) this;
+		return t;
+	}
+
+	public T activityRelations(String type) {
+		return activityRelations(buildParamId(type), type + "s", type);
+	}
+
+	public T activityRelations(String paramId, String paramName, String type) {
+		assertNotMapped(paramId);
+		this.multiRelations.put(paramId, new String[] { paramName, type, Tags.ACTIVITY });
+		@SuppressWarnings("unchecked")
+		T t = (T) this;
+		return t;
+	}
+
+	private void assertNotMapped(String paramId) {
+		if (this.multiRelations.containsKey(paramId) || this.singleRelations.containsKey(paramId))
+			throw new IllegalStateException("Mapping already exists for " + paramId);
+	}
+
+	protected void build(ParameterBagContainer element) {
+
+		this.parametersBags.values().forEach(bagBuilder -> bagBuilder.build(element));
+
+		this.singleRelations.forEach((paramId, keys) -> {
+			ParameterBag relationsBag = getRelationsBag(element);
+			StringParameter relationP = new StringParameter(paramId, keys[0], "");
+			relationP.setInterpretation(getInterpretation(keys[2]));
+			relationP.setUom(keys[1]);
+			relationsBag.addParameter(relationP);
+		});
+
+		this.multiRelations.forEach((paramId, keys) -> {
+			ParameterBag relationsBag = getRelationsBag(element);
+			StringListParameter relationP = new StringListParameter(paramId, keys[0], emptyList());
+			relationP.setInterpretation(getInterpretation(keys[2]));
+			relationP.setUom(keys[1]);
+			relationsBag.addParameter(relationP);
+		});
+	}
+
+	protected String getInterpretation(String objectType) {
+		switch (objectType) {
+		case Tags.RESOURCE:
+			return INTERPRETATION_RESOURCE_REF;
+		case Tags.ORDER:
+			return INTERPRETATION_ORDER_REF;
+		case Tags.ACTIVITY:
+			return INTERPRETATION_ACTIVITY_REF;
+		default:
+			throw new IllegalArgumentException("Unexpected object type " + objectType);
+		}
+	}
+
+	private ParameterBag getRelationsBag(ParameterBagContainer element) {
+		ParameterBag relationsBag = element.getParameterBag(BAG_RELATIONS);
+		if (relationsBag == null) {
+			relationsBag = new ParameterBag(BAG_RELATIONS, TYPE_RELATIONS, TYPE_RELATIONS);
+			element.addParameterBag(relationsBag);
+		}
+
+		return relationsBag;
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/PoliciesBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/PoliciesBuilder.java
new file mode 100644
index 000000000..ed2bb8e84
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/PoliciesBuilder.java
@@ -0,0 +1,41 @@
+package li.strolch.model.builder;
+
+import li.strolch.model.PolicyContainer;
+import li.strolch.model.policy.PolicyDef;
+import li.strolch.model.policy.PolicyDefs;
+
+public class PoliciesBuilder<T extends ParameterBagContainerBuilder<T>> {
+
+	private final T builder;
+	private final PolicyDefs policyDefs;
+
+	public PoliciesBuilder(T builder) {
+		this.builder = builder;
+		this.policyDefs = new PolicyDefs();
+	}
+
+	public PoliciesBuilder<T> planning(String value) {
+		return policy("PlanningPolicy", value);
+	}
+
+	public PoliciesBuilder<T> execution(String value) {
+		return policy("ExecutionPolicy", value);
+	}
+
+	public PoliciesBuilder<T> confirmation(String value) {
+		return policy("ConfirmationPolicy", value);
+	}
+
+	public PoliciesBuilder<T> policy(String type, String value) {
+		this.policyDefs.addOrUpdate(PolicyDef.valueOf(type, value));
+		return this;
+	}
+
+	public T endPolicies() {
+		return builder;
+	}
+
+	public void build(PolicyContainer element) {
+		element.setPolicyDefs(this.policyDefs.getClone());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/PolicyContainerBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/PolicyContainerBuilder.java
new file mode 100644
index 000000000..992dfd7af
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/PolicyContainerBuilder.java
@@ -0,0 +1,29 @@
+package li.strolch.model.builder;
+
+import li.strolch.model.ParameterBagContainer;
+import li.strolch.model.PolicyContainer;
+
+public class PolicyContainerBuilder<T extends ParameterBagContainerBuilder<T>> extends ParameterBagContainerBuilder<T> {
+
+	private PoliciesBuilder<T> policies;
+
+	public PolicyContainerBuilder(String id, String name, String type) {
+		super(id, name, type);
+	}
+
+	public PoliciesBuilder<T> policies() {
+		if (this.policies == null) {
+			@SuppressWarnings("unchecked")
+			T t = (T) this;
+			this.policies = new PoliciesBuilder<T>(t);
+		}
+		return policies;
+	}
+
+	protected void build(PolicyContainer element) {
+		build((ParameterBagContainer) element);
+
+		if (this.policies != null)
+			this.policies.build(element);
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/ResourceBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/ResourceBuilder.java
new file mode 100644
index 000000000..1a87b2c49
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/ResourceBuilder.java
@@ -0,0 +1,67 @@
+package li.strolch.model.builder;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import li.strolch.model.Resource;
+import li.strolch.model.builder.states.*;
+
+public class ResourceBuilder extends RootElementBuilder<ResourceBuilder> {
+
+	private final TemplatesBuilder builder;
+	private final List<TimedStateBuilder<?>> timedStates;
+
+	public ResourceBuilder(TemplatesBuilder builder, String id, String name, String type) {
+		super(id, name, type);
+		this.builder = builder;
+		this.timedStates = new ArrayList<>();
+	}
+
+	public BooleanStateBuilder booleanState(String id, String name) {
+		BooleanStateBuilder builder = new BooleanStateBuilder(this, id, name);
+		this.timedStates.add(builder);
+		return builder;
+	}
+
+	public FloatStateBuilder floatState(String id, String name) {
+		FloatStateBuilder builder = new FloatStateBuilder(this, id, name);
+		this.timedStates.add(builder);
+		return builder;
+	}
+
+	public IntegerStateBuilder integerState(String id, String name) {
+		IntegerStateBuilder builder = new IntegerStateBuilder(this, id, name);
+		this.timedStates.add(builder);
+		return builder;
+	}
+
+	public LongStateBuilder longState(String id, String name) {
+		LongStateBuilder builder = new LongStateBuilder(this, id, name);
+		this.timedStates.add(builder);
+		return builder;
+	}
+
+	public FloatListStateBuilder floatListState(String id, String name) {
+		FloatListStateBuilder builder = new FloatListStateBuilder(this, id, name);
+		this.timedStates.add(builder);
+		return builder;
+	}
+
+	public StringSetStateBuilder stringSetState(String id, String name) {
+		StringSetStateBuilder builder = new StringSetStateBuilder(this, id, name);
+		this.timedStates.add(builder);
+		return builder;
+	}
+
+	public TemplatesBuilder endResource() {
+		return this.builder;
+	}
+
+	@Override
+	public Resource build() {
+		Resource resource = new Resource(getId(), getName(), getType());
+		super.build(resource);
+		this.timedStates.forEach(b -> resource.addTimedState(b.build()));
+		return resource;
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/RootElementBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/RootElementBuilder.java
new file mode 100644
index 000000000..882b071ef
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/RootElementBuilder.java
@@ -0,0 +1,17 @@
+package li.strolch.model.builder;
+
+import li.strolch.model.PolicyContainer;
+import li.strolch.model.StrolchRootElement;
+
+public abstract class RootElementBuilder<T extends ParameterBagContainerBuilder<T>> extends PolicyContainerBuilder<T> {
+
+	public RootElementBuilder(String id, String name, String type) {
+		super(id, name, type);
+	}
+
+	protected void build(StrolchRootElement element) {
+		build((PolicyContainer) element);
+	}
+
+	public abstract StrolchRootElement build();
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/TemplatesBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/TemplatesBuilder.java
new file mode 100644
index 000000000..1e495c9ee
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/TemplatesBuilder.java
@@ -0,0 +1,42 @@
+package li.strolch.model.builder;
+
+import static java.util.stream.Collectors.toList;
+import static li.strolch.model.StrolchModelConstants.TEMPLATE;
+
+import java.util.List;
+
+import li.strolch.model.StrolchRootElement;
+import li.strolch.model.Tags;
+import li.strolch.model.activity.TimeOrdering;
+import li.strolch.utils.collections.MapOfMaps;
+
+public class TemplatesBuilder {
+
+	private final MapOfMaps<String, String, RootElementBuilder<?>> builders;
+
+	public TemplatesBuilder() {
+		this.builders = new MapOfMaps<>();
+	}
+
+	public ResourceBuilder resource(String name, String type) {
+		ResourceBuilder builder = new ResourceBuilder(this, type, name, TEMPLATE);
+		this.builders.addElement(Tags.Json.RESOURCE, type, builder);
+		return builder;
+	}
+
+	public OrderBuilder order(String name, String type) {
+		OrderBuilder builder = new OrderBuilder(this, type, name, TEMPLATE);
+		this.builders.addElement(Tags.Json.ORDER, type, builder);
+		return builder;
+	}
+
+	public ActivityBuilder activity(String name, String type, TimeOrdering timeOrdering) {
+		ActivityBuilder builder = new ActivityBuilder(this, type, name, TEMPLATE, timeOrdering);
+		this.builders.addElement(Tags.Json.ACTIVITY, type, builder);
+		return builder;
+	}
+
+	public List<StrolchRootElement> buildTemplates() {
+		return this.builders.streamValues().map(RootElementBuilder::build).collect(toList());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/BooleanParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/BooleanParamBuilder.java
new file mode 100644
index 000000000..b28358b2a
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/BooleanParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.BooleanParameter;
+
+public class BooleanParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<BooleanParameter, T> {
+
+	public BooleanParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public BooleanParameter build() {
+		return build(new BooleanParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/DateParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/DateParamBuilder.java
new file mode 100644
index 000000000..11bec1e8e
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/DateParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.DateParameter;
+
+public class DateParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<DateParameter, T> {
+
+	public DateParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public DateParameter build() {
+		return build(new DateParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/DurationParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/DurationParamBuilder.java
new file mode 100644
index 000000000..05cc57460
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/DurationParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.DurationParameter;
+
+public class DurationParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<DurationParameter, T> {
+
+	public DurationParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public DurationParameter build() {
+		return build(new DurationParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/FloatListParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/FloatListParamBuilder.java
new file mode 100644
index 000000000..cbad185f7
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/FloatListParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.FloatListParameter;
+
+public class FloatListParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<FloatListParameter, T> {
+
+	public FloatListParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public FloatListParameter build() {
+		return build(new FloatListParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/FloatParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/FloatParamBuilder.java
new file mode 100644
index 000000000..953ac1f68
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/FloatParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.FloatParameter;
+
+public class FloatParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<FloatParameter, T> {
+
+	public FloatParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public FloatParameter build() {
+		return build(new FloatParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/IntegerListParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/IntegerListParamBuilder.java
new file mode 100644
index 000000000..92328b23b
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/IntegerListParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.IntegerListParameter;
+
+public class IntegerListParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<IntegerListParameter, T> {
+
+	public IntegerListParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public IntegerListParameter build() {
+		return build(new IntegerListParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/IntegerParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/IntegerParamBuilder.java
new file mode 100644
index 000000000..9605b4f1a
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/IntegerParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.IntegerParameter;
+
+public class IntegerParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<IntegerParameter, T> {
+
+	public IntegerParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public IntegerParameter build() {
+		return build(new IntegerParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/LongListParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/LongListParamBuilder.java
new file mode 100644
index 000000000..3cb433d4b
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/LongListParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.LongListParameter;
+
+public class LongListParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<LongListParameter, T> {
+
+	public LongListParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public LongListParameter build() {
+		return build(new LongListParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/LongParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/LongParamBuilder.java
new file mode 100644
index 000000000..f2fb87b04
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/LongParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.LongParameter;
+
+public class LongParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<LongParameter, T> {
+
+	public LongParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public LongParameter build() {
+		return build(new LongParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/ParameterBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/ParameterBuilder.java
new file mode 100644
index 000000000..f78116727
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/ParameterBuilder.java
@@ -0,0 +1,63 @@
+package li.strolch.model.builder.params;
+
+import static li.strolch.model.StrolchModelConstants.INTERPRETATION_NONE;
+import static li.strolch.model.StrolchModelConstants.UOM_NONE;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.Parameter;
+
+public abstract class ParameterBuilder<S extends Parameter<?>, T extends ParameterBagContainerBuilder<T>> {
+
+	private final BagBuilder<T> builder;
+
+	protected final String id;
+	protected final String name;
+
+	protected boolean hidden = false;
+	protected int index;
+	protected String interpretation = INTERPRETATION_NONE;
+	protected String uom = UOM_NONE;
+
+	public ParameterBuilder(BagBuilder<T> builder, String id, String name) {
+		this.builder = builder;
+		this.id = id;
+		this.name = name;
+	}
+
+	public ParameterBuilder<S, T> hidden(boolean hidden) {
+		this.hidden = hidden;
+		return this;
+	}
+
+	public ParameterBuilder<S, T> index(int index) {
+		this.index = index;
+		return this;
+	}
+
+	public ParameterBuilder<S, T> interpretation(String interpretation) {
+		this.interpretation = interpretation;
+		return this;
+	}
+
+	public ParameterBuilder<S, T> uom(String uom) {
+		this.uom = uom;
+		return this;
+	}
+
+	public BagBuilder<T> end() {
+		return this.builder;
+	}
+
+	protected S build(S parameter) {
+		parameter.setId(this.id);
+		parameter.setName(this.name);
+		parameter.setHidden(this.hidden);
+		parameter.setIndex(this.index);
+		parameter.setInterpretation(this.interpretation);
+		parameter.setUom(this.uom);
+		return parameter;
+	}
+
+	public abstract S build();
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/StringListParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/StringListParamBuilder.java
new file mode 100644
index 000000000..e8455b688
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/StringListParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.StringListParameter;
+
+public class StringListParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<StringListParameter, T> {
+
+	public StringListParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public StringListParameter build() {
+		return build(new StringListParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/StringParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/StringParamBuilder.java
new file mode 100644
index 000000000..e91e3a543
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/StringParamBuilder.java
@@ -0,0 +1,17 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.StringParameter;
+
+public class StringParamBuilder<T extends ParameterBagContainerBuilder<T>> extends ParameterBuilder<StringParameter,T> {
+
+	public StringParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public StringParameter build() {
+		return build(new StringParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/params/TextParamBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/params/TextParamBuilder.java
new file mode 100644
index 000000000..cb790de3e
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/params/TextParamBuilder.java
@@ -0,0 +1,18 @@
+package li.strolch.model.builder.params;
+
+import li.strolch.model.builder.BagBuilder;
+import li.strolch.model.builder.ParameterBagContainerBuilder;
+import li.strolch.model.parameter.TextParameter;
+
+public class TextParamBuilder<T extends ParameterBagContainerBuilder<T>>
+		extends ParameterBuilder<TextParameter, T> {
+
+	public TextParamBuilder(BagBuilder<T> builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public TextParameter build() {
+		return build(new TextParameter());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/states/BooleanStateBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/states/BooleanStateBuilder.java
new file mode 100644
index 000000000..edfc8405e
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/states/BooleanStateBuilder.java
@@ -0,0 +1,16 @@
+package li.strolch.model.builder.states;
+
+import li.strolch.model.builder.ResourceBuilder;
+import li.strolch.model.timedstate.BooleanTimedState;
+
+public class BooleanStateBuilder extends TimedStateBuilder<BooleanTimedState> {
+
+	public BooleanStateBuilder(ResourceBuilder builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public BooleanTimedState build() {
+		return build(new BooleanTimedState());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/states/FloatListStateBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/states/FloatListStateBuilder.java
new file mode 100644
index 000000000..0efcc0ef0
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/states/FloatListStateBuilder.java
@@ -0,0 +1,16 @@
+package li.strolch.model.builder.states;
+
+import li.strolch.model.builder.ResourceBuilder;
+import li.strolch.model.timedstate.FloatListTimedState;
+
+public class FloatListStateBuilder extends TimedStateBuilder<FloatListTimedState> {
+
+	public FloatListStateBuilder(ResourceBuilder builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public FloatListTimedState build() {
+		return build(new FloatListTimedState());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/states/FloatStateBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/states/FloatStateBuilder.java
new file mode 100644
index 000000000..5e9e3e244
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/states/FloatStateBuilder.java
@@ -0,0 +1,16 @@
+package li.strolch.model.builder.states;
+
+import li.strolch.model.builder.ResourceBuilder;
+import li.strolch.model.timedstate.FloatTimedState;
+
+public class FloatStateBuilder extends TimedStateBuilder<FloatTimedState> {
+
+	public FloatStateBuilder(ResourceBuilder builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public FloatTimedState build() {
+		return build(new FloatTimedState());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/states/IntegerStateBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/states/IntegerStateBuilder.java
new file mode 100644
index 000000000..6a91001ef
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/states/IntegerStateBuilder.java
@@ -0,0 +1,16 @@
+package li.strolch.model.builder.states;
+
+import li.strolch.model.builder.ResourceBuilder;
+import li.strolch.model.timedstate.IntegerTimedState;
+
+public class IntegerStateBuilder extends TimedStateBuilder<IntegerTimedState> {
+
+	public IntegerStateBuilder(ResourceBuilder builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public IntegerTimedState build() {
+		return build(new IntegerTimedState());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/states/LongStateBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/states/LongStateBuilder.java
new file mode 100644
index 000000000..c9f165cc4
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/states/LongStateBuilder.java
@@ -0,0 +1,16 @@
+package li.strolch.model.builder.states;
+
+import li.strolch.model.builder.ResourceBuilder;
+import li.strolch.model.timedstate.LongTimedState;
+
+public class LongStateBuilder extends TimedStateBuilder<LongTimedState> {
+
+	public LongStateBuilder(ResourceBuilder builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public LongTimedState build() {
+		return build(new LongTimedState());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/states/StringSetStateBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/states/StringSetStateBuilder.java
new file mode 100644
index 000000000..b15ae7a3e
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/states/StringSetStateBuilder.java
@@ -0,0 +1,16 @@
+package li.strolch.model.builder.states;
+
+import li.strolch.model.builder.ResourceBuilder;
+import li.strolch.model.timedstate.StringSetTimedState;
+
+public class StringSetStateBuilder extends TimedStateBuilder<StringSetTimedState> {
+
+	public StringSetStateBuilder(ResourceBuilder builder, String id, String name) {
+		super(builder, id, name);
+	}
+
+	@Override
+	public StringSetTimedState build() {
+		return build(new StringSetTimedState());
+	}
+}
diff --git a/li.strolch.model/src/main/java/li/strolch/model/builder/states/TimedStateBuilder.java b/li.strolch.model/src/main/java/li/strolch/model/builder/states/TimedStateBuilder.java
new file mode 100644
index 000000000..01a9d4a21
--- /dev/null
+++ b/li.strolch.model/src/main/java/li/strolch/model/builder/states/TimedStateBuilder.java
@@ -0,0 +1,41 @@
+package li.strolch.model.builder.states;
+
+import static li.strolch.model.StrolchModelConstants.INTERPRETATION_NONE;
+import static li.strolch.model.StrolchModelConstants.UOM_NONE;
+
+import li.strolch.model.builder.ResourceBuilder;
+import li.strolch.model.timedstate.StrolchTimedState;
+
+public abstract class TimedStateBuilder<T extends StrolchTimedState<?>> {
+
+	private final ResourceBuilder builder;
+	protected final String id;
+	protected final String name;
+
+	protected boolean hidden = false;
+	protected int index;
+	protected String interpretation = INTERPRETATION_NONE;
+	protected String uom = UOM_NONE;
+
+	public TimedStateBuilder(ResourceBuilder builder, String id, String name) {
+		this.builder = builder;
+		this.id = id;
+		this.name = name;
+	}
+
+	public ResourceBuilder end() {
+		return this.builder;
+	}
+
+	public abstract T build();
+
+	protected T build(T state) {
+		state.setId(this.id);
+		state.setName(this.name);
+		state.setHidden(this.hidden);
+		state.setIndex(this.index);
+		state.setInterpretation(this.interpretation);
+		state.setUom(this.uom);
+		return state;
+	}
+}