New to legato and mangoh, help needed

[jyijyi]

Here is an example to change output state of GPIO13:

Is there a sample app using gpio pin?

I used the sysfs command, but I don’t know what api can be used to produce the desired output on the digital pin through which function call can be used.

BTW, you should use developer studio as it has been end of life.
VSCode + LEAF should be used:

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