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Siebel Business Process Framework: Task UI Guide > Reference Materials for Siebel Task UI > About Event HandlingA task event is a type of event that allows you to define the processing that Siebel CRM does when an operation in a task UI calls an event. The following operations support event handling: If Siebel CRM starts an operation in a task UI, then it calls a task event to handle the operation. The event handler for each operation performs the required action according to the semantics of each operation. A preevent handler is a type of handler that runs before Siebel CRM performs the operation for the handler, such as Resume, Pause, or Delete. Most handlers are preevent handlers. For example, the Cancel operation includes two event handlers: a preevent handler and a postevent handler:
Siebel CRM does the following work to run an event handler that starts before the user starts the operation:
For more information, see Creating a Task Event and Siebel Object Interfaces Reference. How Siebel CRM Handles an Event That Occurs in a SubtaskYou cannot configure a subtask to reference an event handler. If a task UI calls a task event when the user is in a subtask, then Siebel CRM sends the task event to the parent task UI and runs the corresponding event handler that the parent task references. It runs this event handler in the context of the parent task. |
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