billing_cycleenum<BillingCycle>Optionalamountobject<Amount>Optionalcurrency_codestring<Currency>Requiredminimum_commitmentobject<MinimumCommitmentRequest>Optionalamountobject<AmountNoCurrency>Requiredusage_based_chargesobject<UsageBasedChargeUpdateRequest>[]Optionalcharge_modelenum<ChargeModel>Optionalmin_amountobject<AmountNoCurrency>Optional