I don't know if you misspelled the question, or are you really asking this because it is full of guides around for these basic things, however I help you
Navicat
applytype= vnum bonus (applytype 0 - 1 - 2)
applyvalue= value of bonus (applyvalue 0 - 1 - 2)
Example: https://metin2.download/picture/RKp4yx6Km8YR1hPiF0K14ekJ4rckKc84/.png
37 = Magic Resistence
6 = how much magic resistance?
This is for the server side, then to make them also visual in game, item_proto client, you have to manually give the bonuses to the item
https://metin2.download/picture/oa9AhuI5bK2xYg3r0GwE4007nn4WWa9K/.png