diff --git a/Interfaces.md b/Interfaces.md
index 9f3e005..5c01290 100644
--- a/Interfaces.md
+++ b/Interfaces.md
@@ -1,5 +1,12 @@
 ## ggs_vm_runner
 
-<pre>GameVm = ggs_vm_runner:start_link()
+<pre>
+GameVm = ggs_vm_runner:start_link()
 ggs_vm_runner:define(GameVM, SourceCode)
-ggs_vm_runner:user_command(GameVM, User, Command, Args)</pre>
\ No newline at end of file
+ggs_vm_runner:user_command(GameVM, User, Command, Args)
+</pre>
+
+<pre>
+handle_cast({server, hello, Headers}, State)
+handle_cast({server, define, Headers, Data}, State)
+handle_cast({game, command, Headers, Data}, State)
\ No newline at end of file