Email content
The <content> element is where you define the main <html> and/or <text> content for the Email.
The <content> element is:
- A child of both the HTML and text sections and should be added to each, as required
 - Positioned within the 
<html>and/or<text>sections, in the Body section of the XML instructions file, as required 
Use
To add content to the Email, you can:
- Embed HTML or text
 - Enter the URI of a resource to be imported
 
Embedding content
Use the <embed> tag within the <content> element to enter the relevant html or text content. It is best practice to wrap the content with a CDATA section, to avoid XML syntax problems.
Example:
    <content>
        <embed><![CDATA[<html><body><h1>This is html</h1></body></html>]]></embed>
    </content>
or:
    <content>
        <embed><![CDATA[This is simple text]]></embed>
    </content>
Using a URI
Caution:
You should only use a URI to add material if you are sure of its content and source.
To add content using a URI:
Use the <uri> tag within the <content> element to enter a string that represents the URI of the resource to be imported. This may, for example, be a Web page.
Example:
    <content>
        <uri>http://www.example.com/faq/part1.html</uri>
    </content>
If you are adding plain text content, you should ensure that the imported resource is structured accordingly.