Add Custom Segments
Navigate to the Company level Admin tool.
Under 'Company Settings', click the Work Breakdown Structure link.
In the 'Segments' table, click the Add Segment button.

In the 'New Segment' window, do the following:
Note
An asterisk (*) in the list below indicates a required field.

Segment Name*. Enter a name for your new segment. This is a required field. Duplicate segment names are NOT permitted. A 'Segment Name is in use' message appears to notify if you attempt to enter a name that already exists.
Tip
Not sure what custom segments to create? To learn how other Procore clients use Work Breakdown Structure, see What custom segments should we create for our company's Work Breakdown Structure?