Changing defaults

Hi.
V0.13.3 “TOKI”, i use VSCode, i try to change the default values: the number of LEDs, the name and password of the wi-fi network. I tried using platformio_override.ini, my_config.h nothing helped, there are always 30 LEDs, the wifi network is always WLED-AP without a password. How to override these settings correctly?

For example, use this manual: Custom Access Point SSID and Password - WLED Project
I get a warnings:
Warning! Ignore unknown configuration option -d wled_ap_ssid in section [env:d1_mini]
Warning! Ignore unknown configuration option -d wled_ap_pass in section [env:d1_mini]