Work on interaction functionality

CMakeLists.txt

@@ -46,11 +46,10 @@ find_package(catkin REQUIRED COMPONENTS
 ##   * add every package in MSG_DEP_SET to generate_messages(DEPENDENCIES ...)
 
 ## Generate messages in the 'msg' folder
-# add_message_files(
-#   FILES
-#   Message1.msg
-#   Message2.msg
-# )
+add_message_files(
+  FILES
+  ProtocolInstanceStatus.msg
+)
 
 ## Generate services in the 'srv' folder
 add_service_files(

msg/ProtocolInstanceStatus.msg

+string uuid       # identifier for the protocol instance
+string state      # Possible values: added, started, refused, agreed, failure, query-if, query-ref