UMQ receiver notification of beginning of index assignment eligibility.
Index assignment eligibility start completion info (in the form of a UMQIndexAssignmentEligibilityStartCompleteInfo
object) can be retrieved with the LBMMessage.indexAssignmentEligibilityStartCompleteInfo() method.

C# |
public const int MSG_UMQ_INDEX_ASSIGNMENT_ELIGIBILITY_START_COMPLETE_EX