'datetime', 'acceptedAt' => 'datetime']; } public function business(): BelongsTo { return $this->belongsTo(Business::class, 'businessId'); } public function staff(): BelongsTo { return $this->belongsTo(StaffProfile::class, 'staffId'); } public function invitedByUser(): BelongsTo { return $this->belongsTo(User::class, 'invitedByUserId'); } }