Create Declare Trigger rules to cause an activity to run when instances of a specific class are created, updated, or deleted in the database. This implements a form of forward chaining.

The following tabs are available on this form:

• Triggers

For each Declare Trigger rule, the Pega Platform monitors database operations for objects of the Applies To class (and concrete classes derived from that class). During database commit processing, forward chaining processing may trigger — start execution of — the activity identified in this rule.

For example, a Declare Trigger rule can execute an activity each time an instance of Data-Party-Person class is saved with a modified ZIP code (property Data-Party.pyPostalCode ). The activity might send an email message to the sales representative whose territory includes the new address. Similarly, a Declare Trigger rule can implement a form of logging or audit history for a class, recording the date, time, and other facts.

• Declare Trigger rules -
• Declare Trigger form - Completing the Pages & Classes tab

  Use this tab to list the clipboard pages referenced by name in the Triggers tab. See How to Complete a Pages & Classes tab for basic instructions.

• Declare Trigger form - Completing the Triggers tab

  Complete this tab to identify those database operations that activate this trigger rule.

• More about Declare Trigger rules

  Create Declare Trigger rules to cause an activity to run when instances of a specific class are created, updated, or deleted in the database. This implements a form of forward chaining.

• Viewing rule history

• Calculating or validating values automatically