[Specification | x-callback-url](https://x-callback-url.com/specification/) - [x] Read this specification and record the notes 📅 2023-05-12 ✅ 2023-05-27 - `x-source` - `x-success` - callback on success - `x-error` - callback on error - `x-cancel` This is really good for interapp communication for any future obsidian plugins