string getQualifiedParentKeyName() Get the fully qualified parent key name

Builder getRelationQueryForSelfJoin(

Model getRelated()

Model firstOrCreate(array $attributes)

Model firstOrCreate(array $attributes)

Model|

Builder getRelationCountQuery(

Collection getRelatedIds()

string createdAt() Get the name of the "created at" column.

int update(array $attributes) Perform an update on all the related models