when you first come, open WA okay, then scan the barcode. After that type your name. to the contact that will appear. fill in the link. wait 30 minutes. called. Go directly to the counter to pay/redeem the voucher. After that, there was a queue. Well, plug in your ears so you don't skip it. swab not even a minute. Wait for results about 20 minutes. xixixi satisfied 5/5