> For the complete documentation index, see [llms.txt](https://docs.staruml.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.staruml.io/master/working-with-uml-diagrams/interaction-overview-diagram.md).

# Interaction Overview Diagram

![Interaction Overview Diagram (from uml-diagram.org)](/files/-MI30dE-4ySmP11nb3tJ)

## Create Interaction Overview Diagram

To create an Interaction Overview Diagram:

1. Select first an element where a new Interaction Overview Diagram to be contained as a child.
2. Select **Model | Add Diagram | Interaction Overview Diagram** in Menu Bar or select **Add Diagram | Interaction Overview Diagram** in Context Menu.

> **See also**
>
> [UML Interaction Overview Diagram](https://www.uml-diagrams.org/interaction-overview-diagrams.html) - For more information about UML Interaction Overview Diagram

> Note that Interaction Overview Diagram is a kind of Activity Diagram, so all nodes are activity nodes and all edges are activity edges.

## Interaction Use

To create a Interaction Use node:

1. Select **Interaction Use** in **Toolbox**.
2. Drag on the diagram as the size of Interaction Use.

You can also create an Interaction Use node by drag and drop an existing Interaction Use from Model Explorer.

Double-clicking the node will select the corresponding Interaction Use element in Model Explorer.

## Interaction (inline)

To create a Interaction (inline) node:

1. Select **Interaction (inline)** in **Toolbox**.
2. Drag on the diagram as the size of Interaction.

Creating an Interaction (inline) node will also create a new Sequence Diagram. The sequence diagram is shown inside the Interaction Frame.

To edit the sequence diagram inside, double-click the Interaction Frame.

You can also create Interaction (inline) node by drag and drop an existing Sequence Diagram from Model Explorer.

## Initial

To create an Initial node:

1. Select **Initial** in **Toolbox**.
2. Click at the position on the diagram.

## Final

To create a Final node:

1. Select **Final** in **Toolbox**.
2. Click at the position on the diagram.

## Fork

To create a Fork node:

1. Select **Fork** in **Toolbox**.
2. Drag on the diagram as the size of Fork.

## Join

To create a Join node:

1. Select **Join** in **Toolbox**.
2. Drag on the diagram as the size of Join.

## Merge

To create a Merge node:

1. Select **Merge** in **Toolbox**.
2. Click at the position on the diagram.

## Decision

To create a Decision node:

1. Select **Decision** in **Toolbox**.
2. Click at the position on the diagram.

## Control Flow

To create a Control Flow:

1. Select **Control Flow** in **Toolbox**.
2. Drag from a node and drop on another node.

You can use **QuickEdit** for Relationship (See [Relationship](/master/working-with-uml-diagrams/class-diagram.md#relationship)).