# AttachCheckoutOptions ## Properties ### continueToCheckout()? > `optional` **continueToCheckout**: (`button`) => `void` Custom implementation of how to advance to checkout after cart has been insured #### Parameters ##### button `Element` #### Returns `void` ### optOutCustomClasses? > `optional` **optOutCustomClasses**: `string` Custom classes to be applied to the opt-out link ### optOutPosition? > `optional` **optOutPosition**: `InsertPosition` Control where the opt-out link is inserted relative to the `optOutSelector` ### optOutSelector > **optOutSelector**: `string` Control which element the opt-out link is inserted into