WeChat.CardDistributing.create_landing_page

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

create_landing_page(client, body)

Specs

create_landing_page(WeChat.client(), body :: map()) :: WeChat.response()

创建货架接口 - 官方文档

开发者需调用该接口创建货架链接,用于卡券投放。创建货架时需填写投放路径的场景字段。