authorize_recurring.rb

payment = Adyen::API::PaymentService.new({
      merchant_account: @merchant_account,
      reference: @reference_text,
      amount: {
        currency: @currency,
        value: @amount_cents,
      },
      shopperEmail: @user.email,
      shopperReference: @user.id.to_s,
      shopper: {
        email: @user.email,
        reference: @user.id.to_s,
        statement: reference_text
      },
      recurring: {
        contract: "RECURRING"
      },
      selectedRecurringDetailReference: "LATEST",
      shopperInteraction: 'ContAuth'
    })