> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt # [Velo](https://dev.wix.com/docs/api/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fvelo&format=markdown.md) ## [Events & Service Plugins](https://dev.wix.com/docs/velo/events-service-plugins.md) ### [Data](https://dev.wix.com/docs/velo/events-service-plugins/data.md) #### [Events](https://dev.wix.com/docs/velo/events-service-plugins/data/events.md) - [onExternalDatabaseConnectionCreated()](https://dev.wix.com/docs/velo/events-service-plugins/data/events/on-external-database-connection-created.md) - [onExternalDatabaseConnectionDeleted()](https://dev.wix.com/docs/velo/events-service-plugins/data/events/on-external-database-connection-deleted.md) - [onExternalDatabaseConnectionUpdated()](https://dev.wix.com/docs/velo/events-service-plugins/data/events/on-external-database-connection-updated.md) - [onDataItemCreated()](https://dev.wix.com/docs/velo/events-service-plugins/data/events/on-data-item-created.md) - [onDataItemDeleted()](https://dev.wix.com/docs/velo/events-service-plugins/data/events/on-data-item-deleted.md) - [onDataItemUpdated()](https://dev.wix.com/docs/velo/events-service-plugins/data/events/on-data-item-updated.md)