Is it possible to make input or output ports in Simulink to automatically take the name of the signal?

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Horace
Horace 2012-7-3
Is it possible to make input or output ports in Simulink to automatically take the name of the signal?
So for example, I have a signal name of "test_input". Is there a way for Matlab to retrieve the signal name? I guess to set the port name we can just use set_param.

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TAB
TAB 2012-7-3
There is a ConnectionCallback function which can be implemented for the port of the blocks. This callback is triggered every time connectivity to the port is changes.
Implement this callback for your input and output ports. Inside the callback, you can write the code to get the signal name to which port is connected using get_param() and set the port name using set_param().
See Port Callback.

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Horace
Horace 2012-7-3
How do I set the port name using set_param?
Apparently set_param(port_handle, 'Name', 'test_name') doesn't work
"Invalid setting in port '' for parameter 'Name'"
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TAB
TAB 2012-7-3
编辑：TAB 2012-7-3
What is port_handle ?
Is it handle to the Inport/Outport block or it is handle to Port of the block ?
To change the Inport/Outport block name you need handle to the block.

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