Notepad/enter/.obsidian/hotkeys.json

{
  "obsidian-extract-pdf-annotations:extract-annotations": [
    {
      "modifiers": [
        "Alt"
      ],
      "key": "P"
    }
  ],
  "obsidian-extract-pdf-annotations:extract-annotations-single": [
    {
      "modifiers": [
        "Alt"
      ],
      "key": "E"
    }
  ]
}