&ZMAOMUN

Contains the VM RSCS node name that an AOM/VM message came from.

AOM/VM messages that carry AOM data (&ZMAOMDTA=YES) contain the RSCS node that the message originated from in this system variable. For CP-generated messages in the local system, this has a value of CP.

In a networked VM system, this field is useful for identifying the source of a message.

Example: &ZMAOMUN

.LOOP 
&MSGREAD SET 
&IF &ZMAOMUN NE VM1 &THEN &GOTO .REMOTEVM
 .
 .
 .

Note: This system variable corresponds to the &AOMVMUND system variable available to an AOMPROC.

More information:

&AOMVMUND