extensionMenuItem object

{
  "entryPoint": "text | cell",
  "controls": [
    {
      "id": "{string}",
      "type": "button | menu",
      "builtInControlId": "{string}",
      "label": "{string}",
      "icons": [
        {
          extensionCommonIcon object
        }
      ],
      "supertip": {
        extensionCommonSuperToolTip object
      },
      "actionId": "{string}",
      "overriddenByRibbonApi": {boolean},
      "enabled": {boolean},
      "items": [
        {
          extensionCommonCustomControlMenuItem object
        }
      ]
    }
  ]
}

{
  "type": "object",
  "properties": {
    "entryPoint": {
      "type": "string",
      "description": "Use \u0027text\u0027 or \u0027cell\u0027 here for Office context menu. Use text if the context menu should open when a user right-clicks (selects and holds) on the selected text. Use cell if the context menu should open when the user right-clicks (selects and holds) on a cell in an Excel spreadsheet.",
      "enum": [
        "text",
        "cell"
      ]
    },
    "controls": {
      "type": "array",
      "items": {
        "$ref": "#/definitions/extensionCommonCustomGroupControlsItem"
      },
      "minItems": 1
    }
  },
  "additionalProperties": false,
  "required": [
    "entryPoint",
    "controls"
  ]
}