Need a wire hot when headlights flashing

[GermanLimited]

Hi,

In Germany we need a rear fog light.
It is only allowed to be turned in, when the headlights are on. Not the DRL.
In need a wire what is hot, wenn Low or high beams are on. Andy sugestions?

Kind regards from Germany

 

[GermanLimited]

I need to correct.
I search a Wire that is hot when fog Lights on

 

[kapinallinen2]

I need to correct.
I search a Wire that is hot when fog Lights on

This is for my 2019 Rebel. Hope it helps.