GrapeVine  (https://grapevinegroup.co.za/)  is an SMS platform that enables the sending of SMS's. 

You need to sign on and create a paid account on their website (https://grapevinegroup.co.za/)   then use the REST integrations

 in this component to integrate with your account on GrapeVine.

You will need to send you GrapeVine AffiliateCode and AuthenticationCode to the service action