How WBS element alphanumeric number is picked while creating WBSelement in CJ11

Hi Experts

while creating WBS constituent successful CJ11 transaction, however does strategy prime the alphanumeric numbers, wherever bash we execute the configuration for picking up antithetic WBS constituent 1 aft the other

EX if we make WBS constituent arsenic - DC-1031636802-SM

next 1 volition be DC-1031636803-SM

where does we execute the configuration for the above

Regards

Jithendra Sivashankar