A method of extending a user interface to include additional data fields is provided. A first response is received at a first application. The first response indicates a selection of an add button associated with addition of a data field to a first window associated with a user interface of a second application. A second window is presented to a user of the first application. A second response is received at the first application. The second response includes a name for the data field entered by the user using the presented second window and a data type of the data field. A position of the data field is identified on the first window. The received name, the received data type, and the identified position for the data field are stored. The data field is presented in the first window at the stored position using the stored name when a second user executes the second application.