groundedPotFlag

hello,I have a question,I want to know how to use ‘‘groundedPotFlag’’, or where is ‘‘groundedPotFlag’’? how to set ''groundedPotFlag = 1 ‘’?
I would be grateful if you could help me!
thanks!

page 67-68 in SPIS-6-DDD_2.7 “SPIS V6 USER MANUAL AND DETAILED DESIGN DOCUMENT”