Version (MQLONG)
This is the structure version number. The value must be:
- MQTM_VERSION_1
- Version number for trigger message structure.
The following constant specifies the version number of the current version:
- MQTM_CURRENT_VERSION
- Current version of trigger message structure.
The initial value of this field is MQTM_VERSION_1.
Parent topic: Fields for MQTM