IN EUP MENU NAME ---- MALE LSPD UNIFORM (SHORT SLEEVE) Does anyone know how I discovered the file name for me to edit?

I already found the clothes are these, are the clothes used by the police in gta v online, I will edit them for the fivem server, but I do not think they to edit ja I searched several clothes more I do not think these, I used the menu but it did not help me because he gives me police skins but not clothes.
https://prnt.sc/ify8l4
https://prnt.sc/ify962

plea se any people

Hello everyone, I wanted to help you find the skin editing file of the police police mp_m_freemode, I've already reviewed the gta but I can not find how to edit the vest

https://prnt.sc/ify8l4
https://prnt.sc/ify962

Can someone tell me where I can find this vest file for me to edit !
tanks