ES_ESM_SECPRFX

Use this to determine whether or not CICS processing should prefix the resource names when making security queries.
Setting Result
NO No prefixes are used
YES Resource names are prefixed with the CICS region user ID.
prefix This string will be used as the prefix for resource names. It can be 1 to 8 upper case alphanumeric characters and it must start with an alphabetic character.
Parent topic: Variables for Configuring MSS Security Behavior