ldc-crm/app/Models/CustomerAnswer.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Relations\Pivot;

class CustomerAnswer extends Pivot
{
    /**
     * Inhibit update_at column as we only have
     * created_at
     *
     * @return null
     */
    public function getUpdatedAtColumn()
    {
        return null;
    }

    // * RELATIONS

    /**
     * Customer belongsTo relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function customer()
    {
        return $this->belongsTo(Customer::class);
    }

    /**
     * Customer belongsTo relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function answer()
    {
        return $this->belongsTo(Answer::class);
    }
}