In case your membership program includes a tiered discount which is handled by script, this documentation will help to clarify the steps that need to be taken in order to change details about the tiered discount offer.
In the Shopify admin of the store, in the Apps section search for Script Editor and click on it.

In Script Editor look for a script that contains “+Subscribfy” in the name and click on it.

Before making any modifications to the script, you’ll have to unpublish it, but first let’s find where we need to modify the script values. In the Ruby source code section, go to line 421, there should be the tiers list. For each tier you can modify:
