How to set the directional flow of your integration. The direction of the data synchronization can be set within the Relation settings/ mapping section. DSYNC can be set to push and pull data in multiple directions. The direction can be set within your mapping section.
Master - When looking at the lines connecting the systems the master is on the side with the small cube.
Slave - When looking at the lines connecting the systems the slave is on the opposite side of the small cube.