How do I call Simulink function in nested subsystem?
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I have a Simulink function 'MyFun' in a subsystem named 'S1' which is a subsystem of 'S2'. I am getting the following error when I call this function from the top level:
ERROR: A definition for the function 'MyFun' called by Function Caller block could not be found.
How can I call the function 'MyFun' from the function caller?
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MathWorks Support Team
2023-5-4
编辑：MathWorks Support Team
2023-5-4
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This is an expected behavior. As mentioned in the following documentation:
a function caller can be at a level where it can hierarchically resolve to the subsystem containing the function. Hence, we can only call a function from:
- Outside the subsystem one hierarchic level above the function
- In another subsystem at the same hierarchic level as the function
- In another subsystem one or more levels below the hierarchic level of the function
Therefore, if the function needs to be accessed at a higher hierarchy, then the function should be moved up so that the caller will be in it's hierarchy.
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2017-3-29
2023-5-4
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