# Using FastPath Trigger Processes

To improve the performance when processing trigger messages, Substation ES has FastPath trigger definitions. These definitions have a shorter instruction path and minimal API calls to TIBCO Rendezvous or TIBCO Enterprise Message Service. The result is faster processing of trigger messages and less CPU used to accomplish trigger publishing.

To determine whether your Trigger Service is eligible for Fast Path operations, enter an operational command of your choice and display the trigger service. You can see text next to the Undelivered Requeue label stating whether FastPath is supported.

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