sam-api/app/Models/Boards/BoardSetting.php

<?php

namespace App\Models\Boards;

use Illuminate\Database\Eloquent\Model;

class BoardSetting extends Model
{
    protected $table = 'board_settings';
    protected $fillable = [
        'board_id', 'name', 'field_key', 'field_type', 'field_meta', 'is_required', 'sort_order'
    ];

    public function board() {
        return $this->belongsTo(Board::class, 'board_id');
    }
}