Updated Communication (markdown)

8 years ago · eb7ae23842
parent 60436b2e83
commit eb7ae23842
1 changed files with 1 additions and 0 deletions
--- a/Communication.md
+++ b/Communication.md
@ -36,6 +36,7 @@ Commands from _execution thread_ to _listening thread_:
 - **done** - notifying of finished job. Requires 2 message frames:
    - `job_id` - identifier of finished job
    - `result` - response result, one of "OK" and "ERR"
+    - `message` - non-empty error description if result was "ERR"


 ### Progress callback