Call another sequence.
The other sequence must be enabled at the time it is called, otherwise this step is skipped. Also, the first step of the sequence (ie its trigger step) is ignored.
It is recommended this action be paired with a sequence that has no trigger as its trigger step.
Only 6 sequences can be triggered in a single run. These sequences could either be triggered by this call a sequence step, or the variable change trigger.
The sequence to call.