Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
methodName is a read-only value which returns a string
indicating the payment method identifier which represents the payment handler that
requires merchant validation.
A read-only string which uniquely identifies the payment handler which is requesting merchant validation. See Merchant validation for more information on the process.
BCD tables only load in the browser