Create a usage-based drawdown charge in a product rate plan, configure its rating and billing settings, and save the charge.

1. In the same product rate plan, click Add Charge.
2. Enter a name and optional description for the charge.
3. Select Usage from the Rates section.
4. Select a supported non-flat fee usage charge model, such as, Per-Volume, Unit, or Tiered.
5. Select the required currencies from the Active Currencies list.
6. From the Charge Function list, select Drawdown.
7. Configure the drawdown charge settings as described in the following table:

   Field	Description
   Drawdown UOM	Specifies the unit of measurement used by the drawdown charge. This UOM determines how eligible usage is measured and consumed from the prepaid fund. To enable fund drawdown, the associated drawdown usage charge must be configured with both a drawdown UOM and a drawdown rate.
   Rating Group	Specifies the rating group used to process usage records for the drawdown charge. By billing period - Rates and processes usage records based on the billing period in which the usage occurs. By usage start date - Rates and processes usage records based on the usage start date. By usage upload - Rates and processes usage records based on when the usage records are uploaded to Zuora.
   Trigger Condition	Specifies the event that activates the drawdown charge. For example, Contract Effective activates the charge when the contract effective date is reached.
   End Date	Specifies when the drawdown charge ends. For example, Align to Subscription End Date keeps the charge active until the subscription ends.
   Billing Periods	Specifies how often the drawdown charge is billed.
   Billing Day	Specifies the billing day used for the drawdown charge.
   Billing Period Alignment	Specifies how the billing periods of the drawdown charge are aligned.
   Proration Option	Specifies how the drawdown charge is prorated when the charge starts or ends in a partial billing period.
   Usage Record Rating Option	Specifies how usage records are rated for the drawdown charge.
   Tax Mode	Specifies how tax is applied to the drawdown charge. Available values are Non-Taxable, Tax Inclusive, and Tax Exclusive.

8. Click Done to save the drawdown charge.