WeChat.Component.get_authorizer_option

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

get_authorizer_option(client, option_name)

Specs

get_authorizer_option(WeChat.client(), option_name()) :: WeChat.response()

获取授权方选项信息 - 官方文档