A conversation is described by a service operation which represents an information exchange channel between architecture components.

A service operation specifies exchanges between participants.
To create a conversation from an existing service operation:
1. In the process diagram insert toolbar, click the
Conversation
button.
To add Conversation to the insert bar: in the diagram toolbar, select
Views and Details and select
Conversation.
2. Draw a link between the two entities in communication.
3. In the conversation creation window, specify the Service operationyou wish to use.
4. Click OK.
You can create a service operation from a library or a process diagram.
To create a service operation from a process diagram:
1. Click the
Conversation button

and create a link between the two communicating entities.
The conversation creation dialog box appears.
2. Click the arrow at the right of the Service operation and select Create a service operation.
The Creation of Operation Joint Action dialog box opens.
3. Enter the Name of your service operation.
4. Click OK to close this dialog box.
The service operation is automatically created.
5. Click OK.
The conversation appears in the diagram.