Updates a pricing plan.
The updatePlan() function returns a Promise that resolves to an updated plan.
Updating a plan does not impact existing purchases made for the plan. All purchases keep the details of the original plan that was active at the time of purchase.
Only users with "Manage Pricing Plans" permissions can update plans.
The information for the plan being updated.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.