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TIBCO Rendezvous® 8.7.0

# Program Callback Functions

Fault tolerance callback functions must do the required action, as specified by the action token.

The basic structure of a fault tolerance callback function is a C `switch` statement that branches on the action token. The specific actions of the callback function within the `case` clauses of that `switch` statement depend on application semantics. (In other programming languages, use analogous constructs.)

Fault Tolerance Callback Function

C | `tibrvftMemberCallback`
C++ | `TibrvFtMemberCallback::onFtAction()`
Java | `TibrvFtMemberCallback.onFtAction()`
.NET | `ActionTokenReceivedEventHandler`

## See Also

Fault Tolerance Callback Actions

Ensure Timely Event Processing

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