Send the following on WhatsApp
Continue to ChatSending e-mail in a workflow using SharePoint Designer https://danielbpatton.com/2011/01/13/sending-e-mail-in-a-workflow-using-sharepoint-designer/
Sending e-mail in a workflow using SharePoint Designer https://danielbpatton.com/2011/01/13/sending-e-mail-in-a-workflow-using-sharepoint-designer/