08-18-2021 02:23 PM - edited 01-31-2022 08:30 AM
The Data management jobs are kicked off by a DataQualityEventHandler. In the DataQualityEventHandler, there is a line that actually runs the DM job.
ExecuteDataMgmtSequence - Runs the DM job and will not return control until it finishes.
Source: Office Hours 2020-04-23 Partner Enablement