Unknown Zigbee device added- HOMEY BRIDGE

Hi, I want to add my external shades to my homey bridge but it si not possible it says “The device has been added as an Unknown Zigbee device, because there currently is no compatible Homey app available. Can you help me please thank you

Sure, just push the button below the text.
(It says "request app, but of course it can also be used to request device support for an existing app.)

This is also a place for app/device support requests:

Thx for your answer. How long does it take to add my device .

There is and will never be a guarantee, that devices will be added at all.
In the mentioned Welcome to the forum! post is described where to ask for the support of devices resp. apps.
However, it would generally be very helpful if you could provide the manufacturer and the model name of the Zigbee device. The more information you provide, the better we can help you in most cases.