In the main Admin CMS, If you would like to setup your Twillio configuration, navigate and click on the 'Stores' section of the left hand menu tabs.
Then click on the hyperlink storefront name with which you would like to setup the sms text field, which will open up the the menus dashboard. Next click on the 'Twilio Configuration' tab to open the criteria window.
Here you can add html body text that will be displayed and sent to the recipient of the SMS sent, before clicking 'Save'
Please Note: you will still need to add the 'From Phone Number' which you can find in the account information tab.For more information on the setup, please click on the button below.