BillingModelOptionsRetainer

billing_modelstring(BillingModel)required

The Billing Model of the Project Offering Configuration. This needs to match the Billing Model in the parent request body.

Enum:"fixed_bid""time_materials""retainer""non_billable""investment""admin"

fee_scheduleArray of objects or null(FeeSchedule)required

The fee schedule for the fixed retainer Project Offering. There can only be one fee item per calendar date. When updating the fee schedule of a Project Offering, all existing fee schedule items will be removed and replaced with the provided list.

{
  "fee_schedule": [
    { … }
  ],
  "billing_model": "fixed_bid"
}