Maintain Segmentation Relevance for Functions 
This process allows you to maintain segmentation relevance for functions:
You make you of the following steps to maintain segmentation relevance for functions:
Execute transaction CT04
Enter the name of the Characteristics
On the Basic Data tab page, enter the Description
Enter Characteristics for Segmentation as the Chars Group
Enter Character Format as the Data Type
Enter Number of Chars
On the Values tab page, enter Char. Value and a corresponding Description
On the Addnl data tab page, choose the Relevance pushbutton
Define Relevance for Functions overview screen in displayed
Select the applications relevant for segmentation
Choose Save
Note
You can define segmentation structure and segmentation strategy for an application only if the application is made relevant for segmentation.