belongsTo(Member::class); } public function author(): BelongsTo { return $this->belongsTo(User::class, 'admin_id'); } public function package(): BelongsTo { return $this->belongsTo(Package::class); } public function services(): BelongsToMany { return $this->belongsToMany(Service::class, 'services_memberships', 'membership_id', 'service_id'); } }