Settings

let settings = PrimerSettings(
  paymentHandling: .auto
)

PrimerCheckout(
  clientToken: clientToken,
  primerSettings: settings
)

PrimerSettings(
  paymentHandling: PrimerPaymentHandling = .auto,
  uiOptions: PrimerUIOptions? = nil,
  paymentMethodOptions: PrimerPaymentMethodOptions? = nil
)

let settings = PrimerSettings(paymentHandling: .auto)

PrimerCheckout(
  clientToken: clientToken,
  primerSettings: settings,
  onCompletion: { state in
    switch state {
    case .success(let result):
      print("Payment complete: \(result.payment?.id ?? "")")
    case .failure(let error):
      print("Payment failed: \(error.errorId)")
    default:
      break
    }
  }
)

let settings = PrimerSettings(paymentHandling: .manual)

PrimerCheckout(
  clientToken: clientToken,
  primerSettings: settings,
  onCompletion: { state in
    switch state {
    case .success(let result):
      // Send token to your server for payment creation
      if let token = result.paymentMethodData?.token {
        createPaymentOnServer(token: token)
      }
    default:
      break
    }
  }
)

// Define once at the top level
private let primerSettings = PrimerSettings(
  paymentHandling: .auto
)

struct CheckoutView: View {
  let clientToken: String

  var body: some View {
    PrimerCheckout(
      clientToken: clientToken,
      primerSettings: primerSettings
    )
  }
}