fragment PaymentGatewayInitializeSessionEvent on PaymentGatewayInitializeSession {
  __typename
  recipient {
    ...PaymentGatewayRecipient
  }
  data
  amount
  issuingPrincipal {
    ... on Node {
      id
    }
  }
  sourceObject {
    __typename
    ... on Checkout {
      id
      channel {
        id
        slug
      }
      languageCode
      billingAddress {
        ...PaymentGatewayInitializeSessionAddress
      }
      total: totalPrice {
        gross {
          ...Money
        }
      }
    }
    ... on Order {
      id
      channel {
        id
        slug
      }
      languageCodeEnum
      userEmail
      billingAddress {
        ...PaymentGatewayInitializeSessionAddress
      }
      total {
        gross {
          ...Money
        }
      }
    }
  }
}