Send SMS and MMS

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exports.handler = function (context, event, callback) {
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  // The pre-initialized Twilio client is available from the `context` object
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  const twilioClient = context.getTwilioClient();
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  // Query parameters or values sent in a POST body can be accessed from `event`
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  const from = event.From || '+15017122661';
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  const to = event.To || '+15558675310';
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  const body = event.Body || 'Ahoy, World!';
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  // Use `messages.create` to generate a message. Be sure to chain with `then`
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  // and `catch` to properly handle the promise and call `callback` _after_ the
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  // message is sent successfully!
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  twilioClient.messages
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    .create({ body, to, from })
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    .then((message) => {
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      console.log('SMS successfully sent');
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      console.log(message.sid);
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      // Make sure to only call `callback` once everything is finished, and to pass
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      // null as the first parameter to signal successful execution.
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      return callback(null, `Success! Message SID: ${message.sid}`);
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    })
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    .catch((error) => {
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      console.error(error);
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      return callback(error);
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    });
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};

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// Note: Since we're using the `await` keyword in this Function, it must be declared as `async`
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exports.handler = async function (context, event, callback) {
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  // The pre-initialized Twilio client is available from the `context` object
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  const twilioClient = context.getTwilioClient();
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  // In this example the messages are inlined. They could also be retrieved from
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  // a private Asset, an API call, a call to a database, etc to name some options.
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  const groupMessages = [
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    {
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      name: 'Person1',
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      to: '+15105550100',
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      body: 'Hello Alan',
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      from: '+15095550100',
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    },
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    {
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      name: 'Person2',
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      to: '+15105550101',
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      body: 'Hello Winston',
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      from: '+15095550100',
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    },
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    {
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      name: 'Person3',
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      to: '+15105550102',
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      body: 'Hello Deepa',
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      from: '+15095550100',
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    },
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  ];
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  try {
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    // Create an array of message promises with `.map`, and await them all in
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    // parallel using `Promise.all`. Be sure to use the `await` keyword to wait
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    // for the promises to all finish before attempting to log or exit!
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    const results = await Promise.all(
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      groupMessages.map((message) => twilioClient.messages.create(message))
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    );
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    results.forEach((result) => console.log(`Success: ${result.sid}`));
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    // Make sure to only call `callback` once everything is finished, and to pass
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    // null as the first parameter to signal successful execution.
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    return callback(null, 'Batch SMS Successful');
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  } catch (error) {
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    console.error(error);
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    return callback(error);
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  }
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};

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exports.handler = function (context, event, callback) {
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  // The pre-initialized Twilio client is available from the `context` object
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  const twilioClient = context.getTwilioClient();
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  // Query parameters or values sent in a POST body can be accessed from `event`
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  const from = event.From || '+15017122661';
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  const to = event.To || '+15558675310';
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  const body = event.Body || 'This is the ship that made the Kessel Run in fourteen parsecs?';
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  // Note that the `mediaUrl` value may be a single string, or an array of strings
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  const mediaUrl = event.mediaUrl || 'https://c1.staticflickr.com/3/2899/14341091933_1e92e62d12_b.jpg';
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  // Use `messages.create` to generate a message. Be sure to chain with `then`
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  // and `catch` to properly handle the promise and call `callback` _after_ the
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  // message is sent successfully!
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  // Note the addition of the `mediaUrl` value as configuration for `messages.create`.
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  twilioClient.messages
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    .create({ body, to, from, mediaUrl })
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    .then((message) => {
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      console.log('MMS successfully sent');
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      console.log(message.sid);
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      // Make sure to only call `callback` once everything is finished, and to pass
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      // null as the first parameter to signal successful execution.
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      return callback(null, `Success! Message SID: ${message.sid}`);
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    })
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    .catch((error) => {
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      console.error(error);
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      return callback(error);
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    });
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};