Class selection ​
You can specify the class for the attribute selection of the element "Attribute Field" by selecting the element and choosing the menu option**"Edit"** from the popup-menu (right mouse-button).
Hint
When inserting a new element "Attribute Field" the window "Class Selection" is automatically displayed as soon as the new element has been defined.
In the window "Class Selection" you determine by selecting a class those attributes which are to be shown in the element "Attribute Field" (Tab "Input Fields") within the query.
Confirm the collection by clicking on the "OK" button.