The set of possible actions (programs) that can be executed by the Trigger Service is specified in the file $GLOBUS_LOCATION/etc/globus_wsrf_mds_trigger/jndi-config.xml. The executableMappings parameter contains a comma-separated list of name=value pairs. The left hand side of each name/value pair is the name assigned to the trigger action; this name can be used in trigger definitions. The right hand side of each name/value pair is the path name (relative to $GLOBUS_LOCATION/libexec/trigger of the file to execute.

The sources of information used by the Trigger Service are configured using the mds-servicegroup-add command; see the Aggregator Framework documentation or the Trigger Service Easy HOWTO for more details and examples.

Triggers themselves are created using the command line clients.