```
june-linux-laptop:~/Projects/Phabricator/phabricator> echo '{"buildTargetPHID":"PHID-HMBT-5pcgxksmgpnn4ufvz42r", "logSource": "external", "logType": "test"}' | arc call-conduit --conduit-uri=http://phabricator.local/ harbormaster.startlog
{"error":null,"errorMessage":null,"response":{"buildLogPHID":"PHID-HMCL-hpurf6jm5qmceguznopw","startTimestamp":1439339686}}
june-linux-laptop:~/Projects/Phabricator/phabricator> echo '{"buildLogPHID":"PHID-HMCL-hpurf6jm5qmceguznopw", "data": "Hello World"}' | arc call-conduit --conduit-uri=http://phabricator.local/ harbormaster.appendlog
{"error":null,"errorMessage":null,"response":null}
june-linux-laptop:~/Projects/Phabricator/phabricator> echo '{"buildLogPHID":"PHID-HMCL-hpurf6jm5qmceguznopw", "startTimestamp": 1439339686}' | arc call-conduit --conduit-uri=http://phabricator.local/ harbormaster.finalizelog
{"error":null,"errorMessage":null,"response":null}
```
(screenshot inbound)