Add Custom Segment Filter to an Already Existing Custom Segment

To make your custom segment more specific/narrow add another custom segment filter. To do this, follow the below steps, after logging into activeworks.active.com:

Steps:

1. Click PEOPLE
2. Click Custom segment tab
3. Click custom segment name 
4. Click Add condition
5. Select filter specifications
6. Click search
7. Click save as custom segment
8. Select either update custom segment, or save as new custom segment