@상준 이 To disable the function please refer to the disable function document.
Programatically you can alos use the below REST endpoint to enable/disable a particular function
PUT https://management.azure.com/subscriptions/{subscriptionID}/resourceGroups/{resourcegroupname}/providers/Microsoft.Web/sites/{sitename}/functions/{functionappname}/properties/state?api-version=2018-11-01
content-type: application/json; charset=utf-8
Request Body:
{"properties":"disabled"}
OR
{"properties":"enabled"}
Alternative you can also use this API to update appsettings for your function app.
Feel free to get back to me if you need any assistance.
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