To add a new frequency to an existing plan:
- Navigate to Catalog >Plans.
- Select the plan and click Edit.
- In the Edit Plan page, under the Frequencies section, click Add frequency.
- Fill in the frequency information and then click Save.
- Save the changes for the plan.
- Add price for the new plan frequency by going into the plan product.
- Click on the plan product on the plan.
- Add the price for the new frequency and click Save.
- Click Activate on the new plan frequency.
The new frequency will be available when you add a subscription to the customer.