Versuche mal das:
attr K6_Konfig set36Data [{"cmd": "SetWhiteLed_Mode", "param": { "WhiteLed": {"bright" : 100, "channel": 0, "mode": $val, "state": 0}}}]
attr K6_Konfig set36Hint 1,2,3
attr K6_Konfig set36Name SetWhiteLed_Mode
attr K6_Konfig set37Data [{"cmd": "SetWhiteLed", "param": { "WhiteLed": {"bright" : 100, "channel": 0, "mode": 0, "state": $val}}}]
attr K6_Konfig set37Hint 0,1
attr K6_Konfig set37Name SetWhiteLed
## Ein
set K6_Konfig SetWhiteLed_Mode 1
set K6_Konfig SetWhiteLed 1
## Aus
set K6_Konfig SetWhiteLed_Mode 3
set K6_Konfig SetWhiteLed 0