RelationFieldConfig

Object

targetSlug

Immutable key of the target table (slug — stable per §6.5)

displayFieldKeys

Fields on the target table used to label linked records; empty defaults to its primary field

cardinality

reverseKey

Field key of the auto-created reverse relation on the target type (§10.1)

onDelete

Referential integrity on delete — restrict | cascade | setNull (§10.1)

isReverse

System-managed: this field is the auto-created reverse side of a relation pair

sourceCustomFieldId

sourceCustomFieldItemType