Sample code for 30+ languages & platforms
JavaScript

Send GMail with Attachments

See more GMail REST API Examples

Demonstrates how to send an email containing attachments using the GMail REST API.
Note
This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.
JavaScript
var success = false;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Use the Chilkat Email API to create or load an email.
var email = new CkEmail();

// The From name/address don't need to be specified. 
// GMail will automatically use your Gmail address if the following 2 lines are omitted.
email.FromName = "My Name";
email.FromAddress = "my_account_name@gmail.com";

email.AddTo("John Smith","somebody@somewhere.com");
// To add more recipients, make additional calls to AddTo or AddCC, one per recipient...

email.Subject = "This is a test GMail email created using Chilkat.";
email.Charset = "utf-8";
email.AddPlainTextAlternativeBody("This is a test");

// Create an HTML email body with an embedded image.
var cid = email.AddRelatedFile("qa_data/jpg/starfish.jpg");
var sbHtml = new CkStringBuilder();
sbHtml.Append("<html><body>This is a <b>test</b><br><img src=\"cid:STARFISH_CID\"/></body></html>");
var numReplacements = sbHtml.Replace("STARFISH_CID",cid);

email.AddHtmlAlternativeBody(sbHtml.GetAsString());

// Add some attachments..
var mimeType = email.AddFileAttachment("qa_data/helloWorld.pdf");
if (email.LastMethodSuccess !== true) {
    console.log("Failed to add PDF attachment.");
    return;
}

mimeType = email.AddFileAttachment("qa_data/msword/sample2.docx");
if (email.LastMethodSuccess !== true) {
    console.log("Failed to add MS-Word attachment.");
    return;
}

// OK.. we now have an HTML email with 2 attachments..
var sbMime = new CkStringBuilder();
email.GetMimeSb(sbMime);

// Send the email.  (GMail has a 5MB limit on the total email size.)
var http = new CkHttp();
http.AuthToken = "GMAIL-ACCESS-TOKEN";

// Send using the simple upload request for the Gmail API
var url = "https://www.googleapis.com/upload/gmail/v1/users/me/messages/send?uploadType=media";
var sendGzipped = true;

var resp = new CkHttpResponse();
success = http.HttpSb("POST",url,sbMime,"utf-8","message/rfc822",resp);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

// A status code of 200 indicates success.
console.log("Response status code: " + resp.StatusCode);
console.log("Response body:");
console.log(resp.BodyStr);

// The response body contains JSON.
// Use the online tool at Generate JSON Parsing Code
// to generate JSON parsing code.

// A sample successful JSON response:

// {
//  "id": "166f0d4ac39e50bf",
//  "threadId": "166f0d4ac39e50bf",
//  "labelIds": [
//   "SENT"
//  ]
// }