The MQBEGIN subroutine begins a unit of work that is coordinated by the queue manager and may involve external resource managers.
This subroutine is supported by the AIX and Windows Windows platforms.
call MQBEGIN (Hconn, Opts, CompCode, Reason)
| Parameter | Data Transfer | Description |
|---|---|---|
| Hconn | inbound | Connection handle. |
| Opts | inbound | Begin Options. |
| CompCode | outbound | Completion Code (MSQCC_OK|MSQCC_WARNING| MSQCC_FAILED). |
| Reason | outbound | Reason code for qualifying CompCode. |