Each supplementary file is defined using a <embeddedFile /> node in a configuration file installed with the server components of the Mobile Application Builder.
<embeddedFile name="..." type="..." base64="...">
Content of the file
The MIME type of the file. This will be used by the Mobile Application Builder when serving the file.
Set to true to identify that the content of the embeddedFile is Base 64 encoded (for example, to represent binary file content). If the content of the embeddedFile is plain text, set to false.