discourse/app/serializers/invite_link_serializer.rb

# frozen_string_literal: true

class InviteLinkSerializer < ApplicationSerializer
  attributes :id, :invite_key, :created_at, :max_redemptions_allowed, :redemption_count, :expires_at, :group_names

  def group_names
    object.groups.pluck(:name).join(", ")
  end
end