stagfe2/app/Models/Client.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Relations\HasOne;

# use Illuminate\Database\Eloquent\Model;

class Client extends Model
{
    protected $table = 'client';

    public function displayName(){
        return $this->name_last . ', '. $this->name_first;
    }

    public function mcp(){
        return $this->hasOne(Pro::class, 'id', 'mcp_pro_id');
    }

    public function cm(){
        return $this->hasOne(Pro::class, 'id', 'cm_pro_id');
    }

}