After starting Keyboard Maestro Editor, create a new macro by hitting the plus sign down below the Macros column, Name the macro whatever you want, add a hot key trigger, hit the “New Action” green plus button, choose Open as the Category, then drag “Open a File, Folder or Application” action to the far right column, then follow the directions below to navigate to the document.
1. Make sure you have your user folder in your Finder Sidebar
2. Go to the Library folder
3. Select the Mobile Documents folder
4. Select com~apple~pages folder
5. Select Documents folder
6. Select the document you want to open