*/ protected $fillable = [ 'name', 'slug' ]; /** * The translatable columns. * * @var list */ public $translatable = [ 'name', 'slug' ]; /** * Relation to Document * * @return BelongsToMany */ public function documents(): BelongsToMany { return $this->morphToMany( Document::class, 'documentable', 'documentables', 'documentable_id', 'document_id' ); } }