store (ActiveMerchant::Billing::BraintreeGateway)

    # File lib/active_merchant/billing/gateways/braintree.rb, line 80
          def store(payment_source, options = {})
            billing_id = options.delete(:billing_id).to_s || true
            post = {}
            post[:customer_vault] = 'add_customer'
            if billing_id
              post[:customer_vault_id] = billing_id
            end
            add_payment_source(post, payment_source, options)
            add_address(post, payment_source, options)
            add_customer_data(post, options)
            commit(nil,nil, post)
          end