OptionallocaleSet the default locale for the SDK. See ISO 3166-1 alpha-2
OptionalpartnerWhen transacting on-behalf of another account then the partner account ID is specified
using the partnerAccountId property.
OptionalsdkThe sdkToken allows the SDK to be initialized with an existing session. Token is only retrieveable by Partners / Acquiring Partners on the server side.
The client id of the partner account that is integrating the Klarna.js SDK.
If the integration is done by a PSP/DP then this must be set to the distribution partners own client id.