> ## Documentation Index
> Fetch the complete documentation index at: https://primer.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# submit

Submit the checkout. This is useful when using your own custom submit button. See the `submitButton` option in [UniversalCheckoutOptions](/sdk/web/v2.x.x/primer/methods/showUniversalCheckout) to learn how to do that.

```ts TS theme={"dark"}
const handleMySubmitButtonClick = () => {
  // Forward all submit button clicks to the SDK
  universalCheckout.submit();
};
```