on("task", {
    "gmail:check": async args => {
      const { from, to, subject } = args;
      const email = await gmail.check_inbox(
        path.resolve(__dirname, "credentials.json"), // credentials.json is inside plugins/ directory.
        path.resolve(__dirname, "gmail_token.json"), // gmail_token.json is inside plugins/ directory.
        subject,
        from,
        to,
        10,                                          // Poll interval (in seconds)
        30                                           // Maximum poll interval (in seconds). If reached, return null, indicating the completion of the task().
       { include_body: true }
      );
      return email;
    },