In order to edit objects it's necessary to set these parameters:
Query: External Layer ID of the WebOffice 10 R3 query layer.
Return Key: Specifies the field to be returned in the response (it is possible to use more return keys separated by semicolon ';').
Edit Layer ID: External Layer ID of the WebOffice 10 R3 edit layer.
Edit Key Name: Name of the unique key field to be used to store the object key needed for relating the 3rd party database object with the GIS object.
Edit Key Value: Unique object key value that has to be created in the geodatabase.
Callback Function: Specifies a call back function.

WebOffice map widget test container - Edit Tool
Note: When pressing the buttons "Add Query"/"Remove Query" the edit action is extended/reduced with additional parameters.