Server and client can talk to each other using the following set of rules:
| Client | Server | Example |
|---|---|---|
| WhoAmI | WhoAmI,id | client:"WhoAmI" server:"WhoAmI,1 |
| List | List,id1-id2,... | client:"List" server:"List,2-3-4 |
| Send,id-id-...,body | Send,body | client:"Send,2-3,I will be late server:"Send,I will be late" |