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The answer is "no", which a Search would have revealed for you.

The answer is also no because there's no way you can invoke a sequencer at all, other than within a job sequence. It's important that you use correct terminology so that your interlocutors can understand unambiguously what you are saying.

You're probably not passing the parameters correctly. Hard to say without proper details. And in your script you either need to 'cd' to your source location or use a full path.