'int', 'arrangement_type_id' => 'int', 'is_unique' => 'bool', 'notify_rel_field_key' => 'int' ]; protected $fillable = [ 'name', 'notify_rel_days', 'arrangement_type_id', 'is_unique', 'notify_rel_field_key' ]; public function arrangement_type() { return $this->belongsTo(ArrangementType::class); } public function booking() { return $this->belongsTo(Booking::class); } public function draft_item() { return $this->belongsTo(DraftItem::class); } public function draft_type() { return $this->belongsTo(DraftType::class); } public function arrangement_types() { return $this->hasMany(ArrangementType::class); } public function inquiry_types() { return $this->hasMany(InquiryType::class); } }