I'm not sure I understand why you're under the impression that you need a 3rd party application for that, as far as I know it's possible with just GitLab and Ma

I'm not sure I understand why you're under the impression that you need a 3rd party application for that, as far as I know it's possible with just GitLab and Mattermost. If there are any confusing docs we need to improve I'd be happy to do so :) Build failures can be sent to Mattermost using our Pipeline webhooks described here: http://docs.gitlab.com/ce/web_hooks/web_hooks.html#pipeline-events http://docs.gitlab.com/ce/web_hooks/web_hooks.html#pipeline-... And then the Incoming Webhooks in Mattermost described here: https://docs.mattermost.com/developer/webhooks-incoming.html https://docs.mattermost.com/developer/webhooks-incoming.html