With hierarchical editing dependencies between several editing fields are determined (similar to the hierarchical search in Conditions).
Configure the appropriate hierarchical level for every editing field (starting with 1) in order to determine dependencies between several editing fields.

Configuration of hierarchical levels
Note: Hierarchical editing requires the input field type "value list". When using hierarchical editing potential other input field types are automatically transformed into "value lists".
In the editing form, e.g. fields of the second hierarchical level will be displayed only after being filtered by the selection of a value of hierarchical level one.

Hierarchical levels in the editing form - no values

Hierarchical levels in the editing form - filtered values