<?php namespace App\Member; use App\Activity; use App\Subactivity; use Illuminate\Database\Eloquent\Factories\HasFactory; use Illuminate\Database\Eloquent\Model; use Illuminate\Database\Eloquent\Relations\BelongsTo; class Membership extends Model { use HasFactory; public $fillable = ['subactivity_id', 'activity_id', 'group_id', 'member_id', 'nami_id', 'created_at']; public function activity(): BelongsTo { return $this->belongsTo(Activity::class); } public function subactivity(): BelongsTo { return $this->belongsTo(Subactivity::class); } }