how to set active_low to 1?

[toshibochan]

I want to set active_low to 1 but I don't know how. manually change to 1 in /sys/class/gpio/active_low to 1 but always back to 0.
please help.

[toshibochan]

this is my config:

        "accessory": "GPIODevice",
        "name": "Kitchen Speaker",
        "type": "Outlet",
        "inverted": "false",
        "initState": "1",
        "pin": 20

but when reboot and Homebridge start the relay turn on. I want relay off when raspberry pi boots.
please help

[toshibochan]

active_low showing 0
direction showing out
edge showing none
value showing 0

[FKDW]

this is my config:

        "accessory": "GPIODevice",
        "name": "Kitchen Speaker",
        "type": "Outlet",
        "inverted": "false",
        "initState": "1",
        "pin": 20

but when reboot and Homebridge start the relay turn on. I want relay off when raspberry pi boots.
please help

I need help with this too