Help to noob =) {setting a unit variable to last created unit, in JASS}

[HellCEzAR]

hi all please tell my how its works
if i use a local variables but i understand how its works than global variables
i global i can create:

• Set unit = (LastCreatedUnit)

But in local i set :

local unit = u

how to set u to "LastCreatedUnit"?

 

[busterkomo]

local unit u = bj_lastCreatedUnit

 

[HellCEzAR]

just a prefics BJ? thanks))