In order to identify 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 ';').
Callback Function: Specifies a callback function.
Optional:
set as starmode: checking this option will initially activate the tool after refreshing the map widget.
Note: The callback in the WebOffice map widget test container opens an alert with the return key of the identified object.

WebOffice map widget test container - Identify Tool