Where is the "Add Y Position Keyframe" shortcut option?

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I prefer working with "separate dimensions" active and, as an avid shortcut user, I noticed the lack of a shortcut for adding keyframes specifically to the X or Y positions (since pressing Alt + Shift + P adds keyframes to both). I found an option to assign a shortcut for adding keyframes to the X position, but I couldn't find one for the Y position.

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The solution didn't solve my problem, but I discovered something interesting...

For some reason, the shortcut option labeled "Add X Position Keyframe" doesn't add a keyframe specifically to the X Position property. Instead, it adds a keyframe to any selected property that already has keyframes. In the screenshot I sent, the keyboard shortcut editor shows "Add X Position Keyframe" because I had the X Position property selected at the time. However, if I select a different property, the shortcut name changes accordingly in the editor.

In essence, this option creates a shortcut to add keyframes to any selected property that has existing keyframes.