for the "name", Add the gang's code (Lets say if you are creating a gang named Westside Ballas, Put the code as "ballas"
for the "label", Add the gang's label (The label is what appears on the top-right, turf-messages, and gang management
Leave the inventory, turfs & strikes as (NULL) and 0
for the "leadership_rank", add the rank that grants management permission (you can have multiple leadership ranks once you create ranks, but you must tell the script what rank and above grants authority)
EXAMPLE:
Name: ballas
Label: The Ballas
Leadership_rank: 5