Live Data import

Curious if anyone has built an Observable dashboard app that is able to query and retrieve “new” data after app build time? At a minimum I’d like to be able to periodically query a database to refresh the dashboard data. If so, any pointers or examples would be greatly appreciated! Mike

:wave: There are many ways to do this—usually you would either poll repeatedly an API endpoint, or use a websocket. The way to make this work under Observable’s reactive system (Runtime) is to wrap these calls in a generator—so that when there is a new value, you notify the generator, and all the dependent variables (charts, etc) run again.

Here’s an example using a websocket: