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Insert data in the body when composing an appointment or message in Outlook

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Use the asynchronous methods (Body.getAsync, Body.getTypeAsync, Body.prependAsync, Body.setAsync and Body.setSelectedDataAsync) to get the body type and insert data in the body of an appointment or message being composed. These asynchronous methods are only available to compose add-ins. To use these methods, make sure you have set up the add-in manifest appropriately so that Outlook activates your add-in in compose forms, as described in Create Outlook add-ins for compose forms.

In Outlook, a user can create a message in text, HTML, or Rich Text Format (RTF), and can create an appointment in HTML format. Before inserting data, you must first verify the supported item format by calling getTypeAsync, as you may need to take additional steps. The value that getTypeAsync returns depends on the original item format, as well as the support of the device operating system and application to edit in HTML format. Once you've verified the item format, set the coercionType parameter of prependAsync or setSelectedDataAsync accordingly to insert the data, as shown in the following table. If you don't specify an argument, prependAsync and setSelectedDataAsync assume the data to insert is in text format.

Data to insert Item format returned by getTypeAsync coercionType to use
Text Text1 Text
HTML Text1 Text2
Text HTML Text/HTML
HTML HTML HTML

Note

1 On tablets and smartphones, getTypeAsync returns "Text" if the operating system or application doesn't support editing an item, which was originally created in HTML, in HTML format.

2 If your data to insert is HTML and getTypeAsync returns a text type for the current mail item, you must reorganize your data as text and set coercionType to Office.CoercionType.Text. If you simply insert the HTML data into a text-formatted item, the application displays the HTML tags as text. If you attempt to insert the HTML data and set coercionType to Office.CoercionType.Html, you'll get an error.

In addition to the coercionType parameter, as with most asynchronous methods in the Office JavaScript API, getTypeAsync, prependAsync, and setSelectedDataAsync take other optional input parameters. For more information on how to specify these optional input parameters, see "Passing optional parameters to asynchronous methods" in Asynchronous programming in Office Add-ins.

Insert data at the current cursor position

This section shows a code sample that uses getTypeAsync to verify the body type of the item that is being composed, and then uses setSelectedDataAsync to insert data at the current cursor location.

You must pass a data string as an input parameter to setSelectedDataAsync. Depending on the type of the item body, you can specify this data string in text or HTML format accordingly. As mentioned earlier, you can optionally specify the type of the data to be inserted in the coercionType parameter. To get the status and results of setSelectedDataAsync, pass a callback function and optional input parameters to the method, then extract the needed information from the asyncResult output parameter of the callback. If the method succeeds, you can get the type of the item body from the asyncResult.value property, which is either "text" or "html".

If the user hasn't placed the cursor in the item body, setSelectedDataAsync inserts the data at the top of the body. If the user has selected text in the item body, setSelectedDataAsync replaces the selected text with the data you specify. Note that setSelectedDataAsync can fail if the user simultaneously changes the cursor position while composing the item. The maximum number of characters you can insert at one time is 1,000,000 characters.

let item;

// Confirms that the Office.js library is loaded.
Office.onReady((info) => {
    if (info.host === Office.HostType.Outlook) {
        item = Office.context.mailbox.item;
        setItemBody();
    }
});

// Inserts data at the current cursor position.
function setItemBody() {
    // Identify the body type of the mail item.
    item.body.getTypeAsync((asyncResult) => {
        if (asyncResult.status === Office.AsyncResultStatus.Failed) {
            console.log(asyncResult.error.message);
            return;
        }

        // Insert data of the appropriate type into the body.
        if (asyncResult.value === Office.CoercionType.Html) {
            // Insert HTML into the body.
            item.body.setSelectedDataAsync(
                "<b> Kindly note we now open 7 days a week.</b>",
                { coercionType: Office.CoercionType.Html, asyncContext: { optionalVariable1: 1, optionalVariable2: 2 } },
                (asyncResult) => {
                    if (asyncResult.status === Office.AsyncResultStatus.Failed) {
                        console.log(asyncResult.error.message);
                        return;
                    }

                    /*
                      Run additional operations appropriate to your scenario and
                      use the optionalVariable1 and optionalVariable2 values as needed.
                    */
            });
        }
        else {
            // Insert plain text into the body.
            item.body.setSelectedDataAsync(
                "Kindly note we now open 7 days a week.",
                { coercionType: Office.CoercionType.Text, asyncContext: { optionalVariable1: 1, optionalVariable2: 2 } },
                (asyncResult) => {
                    if (asyncResult.status === Office.AsyncResultStatus.Failed) {
                        console.log(asyncResult.error.message);
                        return;
                    }

                    /*
                      Run additional operations appropriate to your scenario and
                      use the optionalVariable1 and optionalVariable2 values as needed.
                    */
            });
        }
    });
}

Insert data at the beginning of the item body

Alternatively, you can use prependAsync to insert data at the beginning of the item body and disregard the current cursor location. Other than the point of insertion, prependAsync and setSelectedDataAsync behave in similar ways. You must first check the type of the message body to avoid prepending HTML data to a message in text format. Then, pass the data string to be prepended in either text or HTML format to prependAsync. The maximum number of characters you can prepend at one time is 1,000,000 characters.

The following JavaScript code first calls getTypeAsync to verify the type of the item body. Then, depending on the type, it inserts the data as HTML or text to the top of the body.

let item;

// Confirms that the Office.js library is loaded.
Office.onReady((info) => {
    if (info.host === Office.HostType.Outlook) {
        item = Office.context.mailbox.item;
        prependItemBody();
    }
});


// Prepends data to the body of the item being composed.
function prependItemBody() {
    // Identify the body type of the mail item.
    item.body.getTypeAsync((asyncResult) => {
        if (asyncResult.status === Office.AsyncResultStatus.Failed) {
            console.log(asyncResult.error.message);
            return;
        }

        // Prepend data of the appropriate type to the body.
        if (asyncResult.value === Office.CoercionType.Html) {
            // Prepend HTML to the body.
            item.body.prependAsync(
                '<b>Greetings!</b>',
                { coercionType: Office.CoercionType.Html, asyncContext: { optionalVariable1: 1, optionalVariable2: 2 } },
                (asyncResult) => {
                    if (asyncResult.status === Office.AsyncResultStatus.Failed) {
                        console.log(asyncResult.error.message);
                        return;
                    }

                    /*
                      Run additional operations appropriate to your scenario and
                      use the optionalVariable1 and optionalVariable2 values as needed.
                    */
            });
        }
        else {
            // Prepend plain text to the body.
            item.body.prependAsync(
                'Greetings!',
                { coercionType: Office.CoercionType.Text, asyncContext: { optionalVariable1: 1, optionalVariable2: 2 } },
                (asyncResult) => {
                    if (asyncResult.status === Office.AsyncResultStatus.Failed) {
                        console.log(asyncResult.error.message);
                        return;
                    }

                    /*
                      Run additional operations appropriate to your scenario and
                      use the optionalVariable1 and optionalVariable2 values as needed.
                    */
            });
        }
    });
}

See also