The template for embedding a Mapworks map can be found in

It requires two key things, a map id and API key.

The map ID is the 'Unique Reference' found when opening the map information tab

The second piece of information is an API Key. This is generated by the organisation admin by clicking on "Admin" -> "API Key" -> "Create API Key".

Make sure you include your map and any other private layers to the content of the key