express.render.ui

express.render.ui()

Reactively render HTML content.

Returns

Type	Description
	A decorator for a function that returns an object of type TagChild.

Tips

The name of the decorated function (or @output(id=...)) should match the id of a output_ui container (see output_ui for example usage).

See Also

• output_ui

Examples

#| standalone: true
#| components: [editor, viewer]
#| layout: vertical
#| viewerHeight: 400

## file: app.py
from shiny import reactive
from shiny.express import input, render, ui

ui.input_action_button("add", "Add more controls")


@render.ui
@reactive.event(input.add)
def moreControls():
    return [
        ui.input_slider("n", "N", min=1, max=1000, value=500),
        ui.input_text("label", "Label"),
    ]