HOPEX Business Process Analysis > Conversations > Managing Exchange Contracts > Using Exchange Contracts
Using Exchange Contracts
An Exchange Contract is described by a Composite Conversation which represents the information exchange channel between architecture components.
*An exchange contract is a model of a contract between organizational entities. This contract is described by exchanges between an initiator role and one or several contributor roles.
*A composite conversation is described by an exchange contract. This exchange contract uses other exchanges or exchange contracts.
To create a composite conversation:
1. In the diagram insert toolbar, click the Composite Conversation button.
2. Draw a link between the two entities in communication.
3. In the add composite conversation dialog box, specify the name of the conversation and the exchange contract you want to use.
*You can also create a new exchange contract, see Creating Conversations with a New Exchange..
4. Click OK.