Message channel agent user ID (MCAUSRID)

Specifies the message channel agent user identifier which is to be used by the message channel agent for authorization to access MQ resources, including (if PUTAUT is *DFT) authorization to put the message to the destination queue for receiver or requester channels.

The possible values are:

*SAME

The attribute is unchanged.

*NONE

The message channel agent uses its default user identifier.

*PUBLIC

Uses the public authority.

mca-user-identifier

Specify the user identifier to be used.