Start update to laravel 6.4

app/User.php

@@ -2,10 +2,14 @@
 
 namespace App;
 
+use Illuminate\Contracts\Auth\MustVerifyEmail;
 use Illuminate\Foundation\Auth\User as Authenticatable;
+use Illuminate\Notifications\Notifiable;
 
 class User extends Authenticatable
 {
+    use Notifiable;
+
     /**
      * The attributes that are mass assignable.
      *
@@ -23,4 +27,13 @@ class User extends Authenticatable
     protected $hidden = [
         'password', 'remember_token',
     ];
+
+    /**
+     * The attributes that should be cast to native types.
+     *
+     * @var array
+     */
+    protected $casts = [
+        'email_verified_at' => 'datetime',
+    ];
 }