Flask 3 · Templates, sessions and config
Show a one-time message
Queue a message to show on the next page.
flash("Saved!", "success")
Official Flask 3 documentation
More templates, sessions and config commands
- Render a template
- Loop in a template
- Share a layout
- Link to a static file
- Remember a user between requests
- Load configuration
All templates, sessions and config commands · Flask 3 cheatsheet