Install the Account Hierarchy Custom Fields and Permissions Prebuilt App Package

To get access to custom fields, permission sets, dimension sources, and apex classes and triggers for the Calculate Forecasts for Accounts in a Hierarchy prebuilt app, first install an unmanaged package in Salesforce. The custom fields are added to the Advanced Account Forecast Fact object when you install the package. The permission set can be assigned to admins and account managers who manage forecasts.