The formula editor is a syntax aware text editor, which allows you to edit advanced expressions.
If the expression is not valid, a message is displayed to warn you that the expression cannot be saved.
When typing, the editor provides context relevant suggestions. Type "." after an object to see the list.
Insert fields, groups or functions
To insert a field or a group from a datasource, click Insert Field or Group. It is also possible to select from code domains, and active user account.
To insert a function from one of the function library types, click Insert Function.