A dependent field (property) is filled automatically based on the value of an owner field (property).
DEPENDENCY_RELATION_FILTER
2
The possible property values of a dependent field (property) is determined based on the value shown in an owner field (property).
Used in fields
OwnerPropertyDef.dependency_relation -- How this property depends on its owner property: DEPENDENCY_RELATION_FILTER limits its values to those that belong to the owner property's value, DEPENDENCY_RELATION_FILL fills it automatically from the owner property's value.
