Door Entry Hikvision intercom trade button?

[smartfix24]

Hello everyone.

I'm working on a project that includes one main gate and one main door with a magnet lock.

I need to add a trade button (tradesman) below the main camera, for example.

And if you press a Trade button (below a camera), the gate will open at a predetermined time.

I'm considering using a KD8003 with a new DS-KD-TDM LCD screen.

Can I do this, and if so, how?

Thank you!

Regards

Robert