These articles should cover most of your questions about how Fountain works.
- How can I best communicate with applicants via SMS? (Messenger)
- How do I send one-off, custom (email or SMS) messages to applicants?
- How do I use Message Templates?
- Message Delivery - Email, SMS, Unsubscribe
- What are Merge Keys and how can I use them?
- What are some examples of Message Templates that I can use?