Optional Fields for Amending a Plan

These fields are optional for amending a plan:
orderInformation.amountDetails.billingAmount
orderInformation.amountDetails.setupFee
planInformation.billingCycles.total
Only increases to the number of billing cycles are allowed.
planInformation.code
planInformation.description
planInformation.name
processingInformation.subscriptionBillingOptions.applyTo
Default value is
NEW
.