WeChat.MiniProgram.OCR.id_card

You're seeing just the function id_card, go back to WeChat.MiniProgram.OCR module for more information.
Link to this function

id_card(client, img_url)

Specs

id_card(WeChat.client(), url()) :: WeChat.response()

身份证

本接口提供基于小程序的身份证 OCR 识别