WeChat.User.get_users

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

get_users(client)

Specs

get_users(WeChat.client()) :: WeChat.response()

获取用户列表 - 官方文档

Link to this function

get_users(client, next_openid)

Specs

获取用户列表 - 官方文档