The main feature is that you can specify not exact branch name but the regexp branch mask. For example you have separate build configurations for feature branches and common branches. Then it is easy to setup notifications into corresponding Slack channels. The second big thing is that your can compose your own messages using template placeholders and Slack formatting. And you can easily send notification without running the build with Try it feature. Plugin automatically backups its settings after each modification.
General usage instructions
Please follow the instructions on GitHub