Hello everyone!

I'm having an issue trying to load a relationship in Laravel using Eloquent, and I was wondering if anyone could help me solve it.

I'm working on a project where I have two models: UaderArea and UaderLugares, and I'm trying to establish a relationship between them. Each UaderArea belongs to one UaderLugares, and the relationship is defined like this in the UaderArea model:

public function lugares()
{
    return $this->belongsTo(UaderLugares::class, 'lugar', 'cod_lugar');
}

When I execute:

$resultados = UaderArea::with('lugares')
        ->get();

It returns a JSON like this:

{
    "id_area": 23,
    "area": "PRIVADA",
    "id_secretaria": 3,
    "lugar": 0,
    "id_area_dj": null,
    "lugares": {
      "cod_lugar": 0,
      "lugar": "RECTORADO",
      "foto": null,
      "uacad": 0,
      "cod_lugar_dj": 0
    }
}

That's fine, but if I replace the query like this:

$resultados = UaderArea::with('lugares:lugar')
        ->get();

It returns:

{
    "id_area": 23,
    "area": "PRIVADA",
    "id_secretaria": 3,
    "lugar": 0,
    "id_area_dj": null,
    "lugares": null
}

My problem is that I need the fields "id_area", 'area', and from the table uader_lugares (model UaderLugares), the field 'lugar'.