Called to create and allocate the MSM_UOW structure. The structure is initialized with either a generated universally unique identifier or the value contained in the TMSM_UOWID environment variable. Returns a pointer to the unit of work structure which is needed when calling an MSM_Send* function.
MSM_UOW* MSM_OCreateUOW(TMContext* pCtx)
TM_Context* pCtx, messaging context pointer returned by TM_Init
Pointer to MSM_UOW