Reference field in Vendors/Customers

database/migrations/2018_09_26_000000_add_reference_column_customers.php

@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+
+class AddReferenceColumnCustomers extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('customers', function ($table) {
+            $table->string('reference')->nullable();
+        });
+    }
+
+	/**
+	 * Reverse the migrations.
+	 *
+	 * @return void
+	 */
+	public function down()
+	{
+		Schema::table('customers', function ($table) {
+			$table->dropColumn('reference');
+		});
+	}
+}

database/migrations/2018_09_26_000000_add_reference_column_vendors.php

@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+
+class AddReferenceColumnVendors extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('vendors', function ($table) {
+            $table->string('reference')->nullable();
+        });
+    }
+
+	/**
+	 * Reverse the migrations.
+	 *
+	 * @return void
+	 */
+	public function down()
+	{
+		Schema::table('vendors', function ($table) {
+			$table->dropColumn('reference');
+		});
+	}
+}