Configuration parameter change in project config file

Hello, 

I am working on Find my implementation . In my project , I don't have prj.conf but prj_ZDebug.cnfg and prj_ZRelease.cnfg are there. 

I want to update few configuration like as below , 

FMNA_MODEL_NAME = "xxx"

FMNA_CATEGORY = 12

FMNA_MODEL_NAME = "xxx" . 

How I can update it ?  Is it ok if I update it in prj_ZDebug.cnfg and prj_ZRelease.cnfg directly ?

Related