1- Describe Opt-In Process: Explain how customers will opt-in to receive SMS messages, such as through a lead form or website sign-up, such as: “End users opt-in by visiting - https://www.mycompany.com/book and filling in their details. Users check a box to receive notifications & promotional messages to provide their consent. Additionally, end users can also text START to +1 (213) 725-2867.” 2- Create Opt-In Message: Draft a message that confirms a customer has successfully opted in, such as "You have successfully opted in to receive notification and promotional SMS from company\_name. Please reply STOP if you need to Opt-out in the future."