Hey, i am new to FastLED and would need some help for a scenario.

Hey, i am new to FastLED and would need some help for a scenario.

I have a red running light that fades to black:

for (uint8_t i = 0; i < NUM_LEDS; ledNumber++)
{
leds[ledNumber] = CRGB(255, 0, 0);
FastLED.show();
delay(30);
fadeToBlackBy( leds, NUM_LEDS, 60);
}

I would like to change that, so that every LED is white and then the running light with a tail runs through. So I think i would have to fade to white? How can i do this?

Thanks a lot!