To change values specified on the COUPLE statement of the COUPLExx parmlib member, use the SETXCF COUPLE command.

To change the enablement state of an optional XCF/XES function, use the SETXCF FUNCTIONS command.

To start or stop an inbound or outbound signaling path or to create or delete a transport class, use the SETXCF START or SETXCF STOP command.

To modify local messages, use the SETXCF MODIFY,LOCALMSG command.

SETXCF commands do not change the values specified in the COUPLExx parmlib member. Therefore, to make permanent the changes you have made using SETXCF commands, ensure that you modify COUPLExx appropriately before the next IPL.