'required|alpha_space|min:3', 'modelno' => 'alpha_space|min:1', 'category_id' => 'required|integer', 'manufacturer_id' => 'required|integer', ); public function assets() { return $this->hasMany('Asset', 'model_id'); } public function category() { return $this->belongsTo('Category', 'category_id'); } public function depreciation() { return $this->belongsTo('Depreciation','id'); } public function adminuser() { return $this->belongsTo('User','user_id'); } public function manufacturer() { return $this->belongsTo('Manufacturer','manufacturer_id'); } }