Summary of commands for MRO conversations

The CICS® application programming interface provides a set of commands for use in MRO conversations.

Table 1 shows the commands used in MRO conversations.

Table 1. Summary of CICS commands used in MRO conversations
Use to ... Command More information
Acquire a session. ALLOCATE Allocating a session to the conversation
Build an attach header. BUILD ATTACH Connecting the partner transaction
Access session-related information. EXTRACT ATTACH Back-end transaction initiation
Send data and control information to the conversation partner. SEND Sending data to the partner transaction
Receive data from the conversation partner. RECEIVE Receiving data from the partner transaction
Send and receive data on the conversation. CONVERSE The CONVERSE command
Inform all conversation partners of readiness to commit recoverable resources. SYNCPOINT Syncpointing a distributed process
Inform conversation partners of the need to back out changes to recoverable resources. SYNCPOINT ROLLBACK The SYNCPOINT ROLLBACK command
Free the session. FREE Ending the conversation

For programming information about CICS commands, see CICS command summary.