Put currencyCode in quotes in JSON declaration.
Put currencyCode in quotes in JSON declaration.

WPTechInnovation/worldpay-within-sdk,WPTechInnovation/worldpay-within-sdk,WPTechInnovation/worldpay-within-sdk,WPTechInnovation/worldpay-within-sdk,WPTechInnovation/worldpay-within-sdk,WPTechInnovation/worldpay-within-sdk