Edit file File name : InvoiceLayout.php Content :<?php namespace App; use Illuminate\Database\Eloquent\Model; class InvoiceLayout extends Model { /** * The attributes that aren't mass assignable. * * @var array */ protected $guarded = ['id']; /** * The attributes that should be cast to native types. * * @var array */ protected $casts = [ 'product_custom_fields' => 'array', 'contact_custom_fields' => 'array', 'location_custom_fields' => 'array', 'common_settings' => 'array', 'qr_code_fields' => 'array', ]; /** * Get the location associated with the invoice layout. */ public function locations() { return $this->hasMany(\App\BusinessLocation::class); } /** * Return list of invoice layouts for a business * * @param int $business_id * @return array */ public static function forDropdown($business_id) { $layouts = InvoiceLayout::where('business_id', $business_id) ->pluck('name', 'id'); return $layouts; } } Save