Parent → iframe commands. The SDK posts these when a controlled prop (like submitDisabled) changes on the React component. Apps building directly against postMessage (e.g., vanilla JS storefronts) can post the same shape themselves.
submitDisabled
Parent → iframe commands. The SDK posts these when a controlled prop (like
submitDisabled) changes on the React component. Apps building directly against postMessage (e.g., vanilla JS storefronts) can post the same shape themselves.