[
  {
    "namespace": "tabs",
    "functions": [
      {
        "name": "executeScript",
        "type": "function",
        "parameters": [
          {
            "type": "integer",
            "name": "tabId",
            "minimum": 0,
            "optional": true,
            "description": "The ID of the tab in which to run the script; defaults to the active tab of the current window."
          },
          {
            "$ref": "extensionTypes.InjectDetails",
            "name": "details",
            "description": "Details of the script to run. Either the code or the file property must be set, but both may not be set at the same time."
          },
          {
            "type": "function",
            "name": "callback",
            "optional": true,
            "description": "Called after all the JavaScript has been executed.",
            "parameters": [
              {
                "name": "result",
                "optional": true,
                "type": "array",
                "items": {
                  "type": "any",
                  "minimum": 0
                },
                "description": "The result of the script in every injected frame."
              }
            ]
          }
        ]
      },
      {
        "name": "sendMessage",
        "nocompile": true,
        "type": "function",
        "description": "Sends a single message to the content script(s) in the specified tab, with an optional callback to run when a response is sent back.  The $(ref:runtime.onMessage) event is fired in each content script running in the specified tab for the current extension.",
        "parameters": [
          {
            "type": "integer",
            "name": "tabId",
            "minimum": 0
          },
          {
            "type": "any",
            "name": "message",
            "description": "The message to send. This message should be a JSON-ifiable object."
          },
          {
            "type": "object",
            "name": "options",
            "properties": {
              "frameId": {
                "type": "integer",
                "optional": true,
                "minimum": 0,
                "description": "Send a message to a specific <a href='webNavigation#frame_ids'>frame</a> identified by <code>frameId</code> instead of all frames in the tab."
              }
            },
            "optional": true
          },
          {
            "type": "function",
            "name": "responseCallback",
            "optional": true,
            "parameters": [
              {
                "name": "response",
                "type": "any",
                "description": "The JSON response object sent by the handler of the message. If an error occurs while connecting to the specified tab, the callback is called with no arguments and $(ref:runtime.lastError) is set to the error message."
              }
            ]
          }
        ]
      }
    ]
  }
]