--- a
+++ b/osim/redis/messages.py
@@ -0,0 +1,12 @@
+class OSIM_RL:
+    PING = "OSIM_RL.PING"
+    PONG = "OSIM_RL.PONG"
+    ENV_CREATE = "OSIM_RL.ENV_CREATE"
+    ENV_CREATE_RESPONSE = "OSIM_RL.ENV_CREATE_RESPONSE"
+    ENV_RESET = "OSIM_RL.ENV_RESET"
+    ENV_RESET_RESPONSE = "OSIM_RL.ENV_RESET_RESPONSE"
+    ENV_STEP = "OSIM_RL.ENV_STEP"
+    ENV_STEP_RESPONSE = "OSIM_RL.ENV_STEP_RESPONSE"
+    ENV_SUBMIT = "OSIM_RL.ENV_SUBMIT"
+    ENV_SUBMIT_RESPONSE = "OSIM_RL.ENV_SUBMIT_RESPONSE"
+    ERROR = "OSIM_RL.ERROR"