Part number : 935603B100 (93560-3B100)
Part name : SWITCH ASSY-DR
Application model : Hyundai Porter 2
Net weight : 0.013kg
Gross weight (in plastic bag) : 0.016kg

935603B100 DOOR SWITCH

Before 9th Feb. 2012, 93560-3B000 ( for Hyundai Equus)was supplied.
Now if you order 935603B000, 935603B100 will be supplied.

Made in Korea
Produced by Koreahitek.
About the manufacturer, I posted here : https://koreapartsinfo.com/2019/02/16/koreahitek/
Web site of Korea Hitek Co., Ltd. : http://www.koreahitek.co.kr/en/main.asp

More detail photographs :

935603B100 DOOR SWITCH

Bottom of door switch. In terminal, there are 3 pins.

KH (Korea Hitek)
HMC (Hyundai Motor Company)
93560-3B100 (Part no.)

C-1
I don’t know what it means.

This site is awesome :
https://www.yourmechanic.com
It shows most of auto parts locations and how to replace them.
I see the where car door switch is located by the article :
https://www.yourmechanic.com/article/how-to-replace-a-courtesy-light-switch-in-most-cars-by-ty-thompson

light switch located in door jamb
This is a door switch.
Photo from https://www.yourmechanic.com/article/how-to-replace-a-courtesy-light-switch-in-most-cars-by-ty-thompson