    # File lib/active_merchant/billing/gateways/trust_commerce.rb, line 234
          def recurring(money, creditcard, options = {})
            requires!(options, [:periodicity, :bimonthly, :monthly, :biweekly, :weekly, :yearly, :daily] )

            cycle = case options[:periodicity]
            when :monthly
              '1m'
            when :bimonthly
              '2m'
            when :weekly
              '1w'
            when :biweekly
              '2w'
            when :yearly
              '1y'
            when :daily
              '1d'
            end

            parameters = {
              :amount => amount(money),
              :cycle => cycle,
              :verify => options[:verify] || 'y',
              :billingid => options[:billingid] || nil,
              :payments => options[:payments] || nil,
            }

            add_creditcard(parameters, creditcard)

            commit('store', parameters)
          end