autocde2.0/app/Models/Enums/ApprovalMode.php

<?php

namespace App\Models\Enums;

/**
 * 定义参考 https://m.dingtalk.com/qidian/help-detail-1060751213
 */
enum ApprovalMode: int
{
    case ALTERNATIVE_APPROVAL = 1; //或签

    case SEQUENTIAL_APPROVAL = 2; //依次审批

    case COUNTERSIGNATURE = 3;  //会签
}