(Node.js) Outlook -- Create Reply Email, Update, and Send

Creates a reply email in the Drafts folder, updates the reply with information, and then sends the reply.

Note: This example requires Chilkat v9.5.0.68 or greater.

Install Chilkat for Node.js and Electron using npm at

Chilkat npm packages for Node.js
Chilkat npm packages for Electron
on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

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

    var http = new chilkat.Http();

    // Use your previously obtained access token here:
    http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN";

    // This example will search /Inbox for a message that will be replied to.
    // First we need to get the folder ID for /Inbox.
    // Then we'll search for messages based on some criteria, and reply to the 1st matching message.
    // To reply, we'll create the reply message in the Drafts folder, update it with content, and the send.

    // Get the folder ID for /Inbox from the folder map created by this example 
    var htFolderMap = new chilkat.Hashtable();
    var sbMap = new chilkat.StringBuilder();
    sbMap.LoadFile("qa_data/outlook/folderMap.xml","utf-8");
    htFolderMap.AddFromXmlSb(sbMap);

    // Get the ID for the "/Inbox" folder:
    var folderId = htFolderMap.LookupStr("/Inbox");
    if (htFolderMap.LastMethodSuccess !== true) {
        console.log("Folder ID not found");
        return;
    }

    var success = true;
    var json = new chilkat.JsonObject();
    json.EmitCompact = false;

    // Search for unread emails in this folder from support@chilkatsoft.com 
    http.SetUrlVar("folder_id",folderId);
    http.SetUrlVar("select","id,subject");
    http.SetUrlVar("filter","(isRead eq false) and (from/emailAddress/address eq 'support@chilkatsoft.com')");

    var sbResponse = new chilkat.StringBuilder();
    success = http.QuickGetSb("https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}",sbResponse);
    if (success !== true) {
        console.log(http.LastErrorText);
        return;
    }

    json.LoadSb(sbResponse);
    // Show the results..
    console.log(json.Emit());

    if (json.SizeOfArray("value") == 0) {
        console.log("Empty result set.");
        return;
    }

    // Sample results:

    // {
    //   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(id,subject)",
    //   "value": [
    //     {
    //       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfq\"",
    //       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1wAAAA=",
    //       "subject": "This email contains a PDF attachment"
    //     },
    //     {
    //       "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfs\"",
    //       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj14AAAA=",
    //       "subject": "This email has the word Amazon in the subject.."
    //     }
    //   ]
    // }

    // We'll create a reply for the 1st message in the result set.
    // We'll need the message existing id.

    var existingMsgId = json.StringOf("value[0].id");

    // To create a reply, send a request such as the following:

    // 	POST https://graph.microsoft.com/v1.0/me/messages/{id}/createReply
    // 	Content-type: application/json
    // 	Content-length: 248
    // 
    // 	{
    // 	  "comment": "comment-value"
    // 	}

    var jsonRequestBody = new chilkat.JsonObject();
    jsonRequestBody.UpdateString("comment","This is a comment");

    http.SetUrlVar("message_id",existingMsgId);

    // Create the reply in the Drafts folder:
    // resp: HttpResponse
    var resp = http.PostJson2("https://graph.microsoft.com/v1.0/me/messages/{$message_id}/createReply","application/json",jsonRequestBody.Emit());
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    // A 201 response indicates success.
    if (resp.StatusCode == 201) {
        console.log("Created reply draft.");
        success = true;
    }
    else {
        console.log("Response status code = " + resp.StatusCode);
        console.log("Failed to create reply draft.");
        success = false;
    }

    // Show the response in both cases..
    var jsonResponse = new chilkat.JsonObject();
    jsonResponse.EmitCompact = false;
    jsonResponse.Load(resp.BodyStr);
    console.log(jsonResponse.Emit());

    if (success == false) {
        return;
    }

    // ----------------------------------------------
    // Get the message id of the newly created reply.
    var replyMsgId = jsonResponse.StringOf("id");

    // Update the message with new text in the body..
    // Send an HTTP PATCH request that looks something like this:
    // Only send the message parts that are changing.

    // 	PATCH https://graph.microsoft.com/v1.0/me/messages/{reply_message_id}
    // 	Content-type: application/json
    // 	Content-length: 248
    // 
    // 	{
    // 	  "subject": "subject-value",
    // 	  "body": {
    // 	    "contentType": "html",
    // 	    "content": "updated HTML goes here"
    // 	  },
    // 	  "inferenceClassification": "other"
    // 	}

    var jsonPatch = new chilkat.JsonObject();
    jsonPatch.UpdateString("body.contentType","html");

    // The reply email that Outlook created will contain the original message under a horizontal rule.
    // The body.content should contain this substring:  "<body bgcolor=\"#FFFFFF\">\r\n<hr "
    // We're going to insert our reply after the body tag, and before the hr tag.
    var sbHtml = new chilkat.StringBuilder();
    jsonResponse.StringOfSb("body.content",sbHtml);
    // Insert the response HTML in the reply HTML body.
    var numReplaced = sbHtml.ReplaceBetween("<body bgcolor=\"#FFFFFF\">","<hr ","\r\n","<p>This is my response.</p>");
    if (numReplaced !== 1) {
        console.log("Something is amiss!");
        return;
    }

    jsonPatch.UpdateString("body.content",sbHtml.GetAsString());

    // Add additional CC, BCC, or TO recipients like this:
    var numToRecipients = jsonResponse.SizeOfArray("toRecipients");
    var i = 0;
    // Copy existing TO recipients.
    while (i < numToRecipients) {
        jsonPatch.I = i;
        jsonResponse.I = i;
        jsonPatch.UpdateString("toRecipients[i].emailAddress.name",jsonResponse.StringOf("toRecipients[i].emailAddress.name"));
        jsonPatch.UpdateString("toRecipients[i].emailAddress.address",jsonResponse.StringOf("toRecipients[i].emailAddress.address"));
        i = i+1;
    }

    // Add an additional TO recipient.
    jsonPatch.I = numToRecipients;
    jsonPatch.UpdateString("toRecipients[i].emailAddress.name","Chilkat");
    jsonPatch.UpdateString("toRecipients[i].emailAddress.address","admin@chilkat.io");

    var numCcRecipients = jsonResponse.SizeOfArray("ccRecipients");
    i = 0;
    // Copy existing CC recipients.
    while (i < numCcRecipients) {
        jsonPatch.I = i;
        jsonResponse.I = i;
        jsonPatch.UpdateString("ccRecipients[i].emailAddress.name",jsonResponse.StringOf("ccRecipients[i].emailAddress.name"));
        jsonPatch.UpdateString("ccRecipients[i].emailAddress.address",jsonResponse.StringOf("ccRecipients[i].emailAddress.address"));
        i = i+1;
    }

    // Add an additional CC recipient.
    jsonPatch.I = numCcRecipients;
    jsonPatch.UpdateString("ccRecipients[i].emailAddress.name","Chilkat GMail");
    jsonPatch.UpdateString("ccRecipients[i].emailAddress.address","chilkat.support@gmail.com");

    jsonPatch.EmitCompact = false;
    console.log(jsonPatch.Emit());

    http.SetUrlVar("message_id",replyMsgId);
    resp = http.PText("PATCH","https://graph.microsoft.com/v1.0/me/messages/{$message_id}",jsonPatch.Emit(),"utf-8","application/json",false,false);
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    // A 200 response indicates success.
    if (resp.StatusCode == 200) {
        console.log("Patched the reply draft.");
        success = true;
    }
    else {
        console.log("Response status code = " + resp.StatusCode);
        console.log("Failed to patch the reply draft.");
        success = false;
    }

    // Show the response in both cases..
    jsonResponse.Load(resp.BodyStr);
    console.log(jsonResponse.Emit());

    if (success == false) {
        return;
    }

    // ---------------------------------------------------------------------
    // OK, let's send the reply email...
    // To send, POST with an empty request body:
    // POST https://graph.microsoft.com/v1.0/me/messages/{id}/send

    resp = http.PText("POST","https://graph.microsoft.com/v1.0/me/messages/{$message_id}/send","","","",false,false);
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    // A 202 response indicates success.
    if (resp.StatusCode == 202) {
        console.log("Sent the email reply.");
        // If the status code was 202, there is no response body.
    }
    else {
        console.log("Response status code = " + resp.StatusCode);
        console.log("Failed to send the email reply.");
        jsonResponse.Load(resp.BodyStr);
        console.log(jsonResponse.Emit());
    }

    console.log("Finished.");

    // -----------------------------------------------------------------------
    // A sample successful JSON response for the createReply looks like this:

    // 	{
    // 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#message",
    // 	  "@odata.type": "#microsoft.graph.message",
    // 	  "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwR4\"",
    // 	  "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM-lQbAAAAA=",
    // 	  "createdDateTime": "2017-06-01T14:31:56Z",
    // 	  "lastModifiedDateTime": "2017-06-01T14:31:56Z",
    // 	  "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwR4",
    // 	  "categories": [
    // 	  ],
    // 	  "receivedDateTime": "2017-06-01T14:31:56Z",
    // 	  "sentDateTime": "2017-06-01T14:31:56Z",
    // 	  "hasAttachments": false,
    // 	  "internetMessageId": "<SN1PR20MB0461AF40FC899A8462536F04E6F60@SN1PR20MB0461.namprd20.prod.outlook.com>",
    // 	  "subject": "RE: This email contains a PDF attachment",
    // 	  "bodyPreview": "________________________________\r\nFrom: Chilkat Software <support@chilkatsoft.com>\r\nSent: Tuesday, May 30, 2017 10:58:56 PM\r\nTo: chilkatsoft@outlook.com\r\nSubject: This email contains a PDF attachment\r\n\r\nThis email contains a PDF attachment\r\n--\r\nBest Regar",
    // 	  "importance": "normal",
    // 	  "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA",
    // 	  "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQAMMaWY-CWmVOqNKt-NiVhkU=",
    // 	  "isDeliveryReceiptRequested": false,
    // 	  "isReadReceiptRequested": false,
    // 	  "isRead": true,
    // 	  "isDraft": true,
    // 	  "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5%2BvF7TKKdE6bGCRqXyl2PQAAAM%2FlQbAAAAA%3D&exvsurl=1&viewmodel=ReadMessageItem",
    // 	  "inferenceClassification": "focused",
    // 	  "body": {
    // 	    "contentType": "html",
    // 	    "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=utf-8\">\r\n</head>\r\n<body bgcolor=\"#FFFFFF\">\r\n<hr tabindex=\"-1\" style=\"display:inline-block; width:98%\"> ... </html>\r\n"
    // 	  },
    // 	  "sender": {
    // 	    "emailAddress": {
    // 	      "name": "Matt Smith",
    // 	      "address": "chilkatsoft@outlook.com"
    // 	    }
    // 	  },
    // 	  "from": {
    // 	    "emailAddress": {
    // 	      "name": "Matt Smith",
    // 	      "address": "chilkatsoft@outlook.com"
    // 	    }
    // 	  },
    // 	  "toRecipients": [
    // 	    {
    // 	      "emailAddress": {
    // 	        "name": "Chilkat Software",
    // 	        "address": "support@chilkatsoft.com"
    // 	      }
    // 	    }
    // 	  ],
    // 	  "ccRecipients": [
    // 	  ],
    // 	  "bccRecipients": [
    // 	  ],
    // 	  "replyTo": [
    // 	  ]
    // 	}
    // 

    // -----------------------------------------------------------------------
    // A sample successful PATCH JSON response looks like this:

    // 	{
    // 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/messages/$entity",
    // 	  "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwSA\"",
    // 	  "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM-lQbMAAAA=",
    // 	  "createdDateTime": "2017-06-01T15:18:14Z",
    // 	  "lastModifiedDateTime": "2017-06-01T15:18:17Z",
    // 	  "changeKey": "CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADQAwSA",
    // 	  "categories": [
    // 	  ],
    // 	  "receivedDateTime": "2017-06-01T15:18:15Z",
    // 	  "sentDateTime": "2017-06-01T15:18:15Z",
    // 	  "hasAttachments": false,
    // 	  "internetMessageId": "<SN1PR20MB046138C4A26051200764FE38E6F60@SN1PR20MB0461.namprd20.prod.outlook.com>",
    // 	  "subject": "RE: This email has the word Amazon in the subject..",
    // 	  "bodyPreview": "This is my response.\r\n\r\n________________________________\r\nFrom: Chilkat Software <support@chilkatsoft.com>\r\nSent: Tuesday, May 30, 2017 11:40:01 PM\r\nTo: Chilkat Software\r\nSubject: This email has the word Amazon in the subject..\r\n\r\nThis email has the word ",
    // 	  "importance": "normal",
    // 	  "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA",
    // 	  "conversationId": "AQQkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAQAE64PfPP1n1IhU4YasnNN0Q=",
    // 	  "isDeliveryReceiptRequested": false,
    // 	  "isReadReceiptRequested": false,
    // 	  "isRead": true,
    // 	  "isDraft": true,
    // 	  "webLink": "https://outlook.live.com/owa/?ItemID=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgEPAAAA5%2BvF7TKKdE6bGCRqXyl2PQAAAM%2FlQbMAAAA%3D&exvsurl=1&viewmodel=ReadMessageItem",
    // 	  "inferenceClassification": "focused",
    // 	  "body": {
    // 	    "contentType": "html",
    // 	    "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n<meta content=\"text/html; charset=utf-8\">\r\n</head>\r\n<body bgcolor=\"#FFFFFF\">\r\n<p>This is my response.</p>\r\n<hr tabindex=\"-1\" style=\"display:inline-block; width:98%\">\r\n<div id=\"divRplyFwdMsg\" dir=\"ltr\"><font face=\"Calibri, sans-serif\" color=\"#000000\" style=\"font-size:11pt\"><b>From:</b> Chilkat Software &lt;support@chilkatsoft.com&gt;<br>\r\n<b>Sent:</b> Tuesday, May 30, 2017 11:40:01 PM<br>\r\n<b>To:</b> Chilkat Software<br>\r\n<b>Subject:</b> This email has the word Amazon in the subject..</font>\r\n<div>&nbsp;</div>\r\n</div>\r\n<div><font face=\"Calibri\">This email has the word Amazon in the subject..</font><br>\r\n<div class=\"moz-signature\">-- <br>\r\nBest Regards,<br>\r\nMatt Smith<br>\r\nChilkat Software, Inc.<br>\r\n<p><a href=\"https://twitter.com/chilkatsoft\">Follow Chilkat on Twitter</a> </p>\r\n</div>\r\n</div>\r\n</body>\r\n</html>\r\n"
    // 	  },
    // 	  "sender": {
    // 	    "emailAddress": {
    // 	      "name": "Matt Smith",
    // 	      "address": "chilkatsoft@outlook.com"
    // 	    }
    // 	  },
    // 	  "from": {
    // 	    "emailAddress": {
    // 	      "name": "Matt Smith",
    // 	      "address": "chilkatsoft@outlook.com"
    // 	    }
    // 	  },
    // 	  "toRecipients": [
    // 	    {
    // 	      "emailAddress": {
    // 	        "name": "Chilkat Software",
    // 	        "address": "support@chilkatsoft.com"
    // 	      }
    // 	    }
    // 	  ],
    // 	  "ccRecipients": [
    // 	  ],
    // 	  "bccRecipients": [
    // 	  ],
    // 	  "replyTo": [
    // 	  ]
    // 	}

}

chilkatExample();