In the fX Variables Section:
Step 1: Enter the Custom Growth Rate
Step 2: Add a New Custom Variable called New Subscribers.
In Month 1 (planned start date for revenue stream) enter the initial number of new subscribers.
In Month 2 of "New Subscribers" enter the following formula:
**Please ensure that you are using the correct formatting as it is case-sensitive.**
Now, in the Revenue Section:
Step 3: Add a new Revenue Stream with the following details:
Add a New Revenue Stream and Select the Custom Formula revenue driver:
Enter the Acquisition Start Date
Custom Formula: Custom.NewSubscribers