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Hello,
I am trying to change the properties of a vpn conection under connman (through DBUS) but I am running into an error

e.g) This call succeeds and I am presented with the properties of the vpn connection
dbus-send --system --dest=net.connman.vpn --type=method_call --print-reply /net/connman/vpn/connection/uk_london_privateinternetaccess_com_privateinternetaccess_com net.connman.vpn.Connection.GetProperties

Using d-feet I see that the SetProperty is defined as SetProperty (StringĀ  name, Variant value)->()
But if I do SetProperty like this
dbus-send --system --dest=net.connman.vpn --type=method_call --print-reply /net/connman/vpn/connection/uk_london_privateinternetaccess_com_privateinternetaccess_com net.connman.vpn.Connection.SetProperty string:Name variant:string:"NewName"

I get error > Error net.connman.Error.NotSupported: Not supported

I also tried it with the python test
./vpn-property uk_london_privateinternetaccess_com_privateinternetaccess_com Name NewName
net.connman.Error.NotSupported: Not supported