Siri Shortcuts of Siri Intent to Voice Control Parts of App

I am new to the idea of Siri Shortcuts and App Intents. What I want to do is use Siri to run a function in my app.

Such as saying to Siri Zoom in map and that will then call a function in my app where I can zoom in the map. Similarly, I could say Zoom out map and it would call a function to zoom out my map.

I do not need to share any sort of shortcut with the Shortcuts app.

Can someone please point me in the right direction for what type of intents I need to use for this?

Siri Shortcuts of Siri Intent to Voice Control Parts of App
 
 
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