weapp-api/app/Models/DWBSUser.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class DWBSUser extends Model{

    protected $table='users';
    protected $connection='mysql_dwbs';

    public function agent()
    {
        return $this->belongsTo(DWBSUser::class,'agent_id','id')->withTrashed();
    }

}