using a stateflow as a subsystem reference with some parameters to be editted after instantiation

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I have created a stateflow chart - a very simple debouncer whose debounce time is a parameter.
I hope to create a subsystem out of it so that I can use it in multiple places. Each instantiation of the debouncer can have different debouncing time.
However, I cannot find a way to make the internal parameter inside stateflow chart to propogate to the subsystem level.
Thank you.

Accepted Answer

Fangjun Jiang
Fangjun Jiang on 29 Jul 2022
Create your Stateflow chart and create parameter variables, add a mask to the Stateflow chart to bring all those parameter variables to the mask dialog.
Make this masked block a library block, then when you use it multiple times in a model, you can specify whatever parameter values.

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