Fire a script or program every time there is a channel change.on live tv.

[Leafstrider 0]

there is so much available, I am still finding things i did not know after years of using. And i Hope someone knows an answer to this. i need to fire a script or file every time someone changes a live tv channel. has anyone come across a way to do this? I am using windows 11. thanks Any ideas will be apreciated.

[js28194 63]

What do you mean "someone" and what do you mean by "fire a file"?  Where?  Your ask is super ambiguous with no context.