The SYTM referenced by the TAGR /ENTRY has an associated set of SYTMs. In the example, prefix can be any prefix name for the SYTMs, but the same prefix is used to identify all three SYTMs required to construct the schedules table.
The SYTM prefix/OFFSET contains a single TEXP whose BTEX determines how each table entry is positioned with respect to the previous. The BTEX states the OFFSET for each table entry in the standard X and Y format. For example: