How could I reply a reply?

[butaphantom]

How could I reply to someone's reply in this forum, I've searched for a long time and there doesn't seem to be a reply function like in other forums.

[Vortex]

Hi butaphantom,

Can you see the reply and quote buttons while viewing a thread?

[butaphantom]

Hi butaphantom,

Can you see the reply and quote buttons while viewing a thread?

Hi Vortex
Am I replying to you now?

[Vortex]

Hi butaphantom,

Exactly. You replied me by quoting my message.