Special button: Selective reset to default value

Topic: A dedicated Feature in order to reset some specific Parameters to Default value without touching the other ones.

This is not possible now. The Standard ETS Defaults button will kill all the user settings in the complete application program. 

First workaround, create a Parameter "Reset parameters xyz" with the Settings: yes/no and trigger some assigns when yes is choosen.

It will work but the Parameter "Reset Parameters xyz" will remain forever on YES, even if the parameters xyz were modified in the meantime.

Second workaround: Force the Parameter "Reset parameters xyz" back to the Position "no" with another assign when the user clicks on yes.

It actually works (!) but is this a reliable solution?

Feature request: A special button with a direct Input list (MT5) of  the target ParameterRefs to reset. 

This button could be placed anywhere like a classical Parameter.

Thanks in advance