This macro sends SMS message(s) to a Phone Number or to a Topic in which one or more phone numbers are subscribed to using AWS SNS. Please read the notes carefully in the Configuration window of the Macro while using it.
More information in this Portuguese Blog Post - https://community.alteryx.com/t5/Base-de-conhecimento-Portugues/Como-enviar-um-SMS-em-um-fluxo-do-Al...