8.2 Summary of User Exit Functions

Parameter	Description
`EXIT_CALL_TYPE`	Indicates when, during processing, the routine is called.
`EXIT_CALL_RESULT`	Provides a response to the routine.
`EXIT_PARAMS`	Supplies information to the routine.
`ERCALLBACK`	Implements a callback routine. Callback routines retrieve record and Oracle GoldenGate context information, and they modify the contents of data records.