WeChat.CardManaging.unavailable_card_code

You're seeing just the function unavailable_card_code, go back to WeChat.CardManaging module for more information.
Link to this function

unavailable_card_code(client, code, reason)

Specs

unavailable_card_code(
  WeChat.client(),
  WeChat.Card.card_code(),
  reason :: String.t()
) :: WeChat.response()

设置卡券失效接口 - 非自定义code卡券的请求 - 官方文档

Link to this function

unavailable_card_code(client, card_id, code, reason)

Specs

unavailable_card_code(
  WeChat.client(),
  WeChat.Card.card_id(),
  WeChat.Card.card_code(),
  reason :: String.t()
) :: WeChat.response()

设置卡券失效接口 - 自定义code卡券的请求 - 官方文档