First, read the English article below.

Add the Block Sender for Gmail extension from the Google Chrome web store. You will see a new Block button. Pressing this button will create a Gmail filter blocking the sender. Afterwards, a Gmail filter is created so that future messages from this sender skip your inbox and are put in the trash automatically. 

Now, please write a short abstract for it in Indonesian. Abstract:
Jika menggunakan Google Chrome: Lalu di Gmail buka pesan yang ingin Anda blokir. Sebuah pesan konfirmasi akan muncul untuk membatalkan blokir.