Clients can use this method to receive a data buffer specific to the event type.
PRL_RESULT PrlEvent_GetDataPtr( PRL_HANDLE hEvent, PRL_VOID_PTR_PTR data_ptr );
PrlApiCore.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.
Different event types may provide different data buffers or they may provide none.