# Button ## class **UI.Button**
{% hint style="info" %} **All attributes are read/write**: You can access (read) and modify (set) any attribute at any time, and the changes will immediately reflect in the UI. {% endhint %} 
# setting up click handler
def click_handler():
    print('clicked')

# Creating basic button
card.create_ui_element(UI.Button, label="Click me!", onClick=click_handler)

# Setting attributes
button = card.create_ui_element(
    UI.Button,
    label="Click me!",
    variant="ghost",
    size="sm",
    color="danger",
    full_width=True,
    onClick=click_handler
)

##################################
# Example with asnychronus updates

button = card.create_ui_element(UI.Button, label="Submit")

async def click_handler():
    button.loading=True
    # Do some async tasks, for example fetch data from an API...
    button.loading=False
    # perform other updates

button.onClick = click_handler
AttributeValue
labelany string
variant

"solid"

"bordered"

"ghost"

"light"

"flat"

"cta"

Default: "solid"

color

"primary"

"default"

"success"

"danger"

Note: If cta variant is used, custom color will not be applied.


Default: "primary"

size

"sm"

"md"

Default: "md"

full_widthTrue | False

Default: False
disabledTrue | False

Default: False
loadingTrue | False

Default: False
marginSee Margin.

Default: "m-0"
visibleSee Visible.

Default: True
### Events | Event | Arguments | Description | | ------- | --------- | ------------------------------------- | | onClick | - | Triggered when the button is clicked. | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.nighty.one/ui-scripting/api-reference/ui-elements/button.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.