db_0146: Triggered, enabled, conditional Subsystems
The blocks that define subsystems as either conditional or iterative should be located at a consistent location at the top of the subsystem diagram. These blocks are:
Switch Case Action
The Action Port is associated with the If and Case blocks. The Trigger port is also the function-call block.
By Task > Modeling Standards for MAAB > Simulink > Check position of Trigger and Enable blocks
For check details, see Check position of Trigger and Enable blocks (Simulink Check).