# Sentinel plugin for Obsidian
Sentinel is a plugin that enables users to automatically update note properties or execute commands based on document visibility changes within Obsidian.
Examples:
- Automatically update note metadata, for instance incrementing a `views` property each time a note is opened
- Execute commands on visibility changes
This plugin is especially useful to enhance automation and efficiency
## References
- Source code: https://github.com/gsarig/obsidian-sentinel
- Download: https://obsidian.md/plugins?id=sentinel