This plugin for Mattermost exposes a postMessage API which allows Mattermost to trigger desktop notifications when Mattermost is loaded inside an iframe.
Important notice: Mattermost has introduced breaking changes to their plugin framework with version 5.2.0. This plugin is compatible with Mattermost 5.2.0 and upwards. Please check the download archive for older releases.
Please see https://pre-release.mattermost.com/core/pl/9f8o1sz9o78jxrehfc7yyf6qhe and https://pre-release.mattermost.com/core/pl/1pzkz16bftb4xpn75xc75b33ch for more details.
We recommend keeping up to date with Mattermost, since we are only performing tests against the latest Mattermost release. Please see the Kopano Mattermost manual on how to use our deb and rpm packages to easily stay up to date with your Mattermost installation.