Done! :D
from m5ui import *
from uiflow import *
from easyIO import *
setScreenColor(0x111111)
circle0 = M5Circle(40, 40, 25, 0xffffff, 0xffffff)
import BlynkLib
BLYNK_AUTH = 'Your Authentication KEY '
blynk = BlynkLib.Blynk(BLYNK_AUTH)
      
@blynk.VIRTUAL_WRITE(4) # Button Widget on V4
def my_write_handler(value):
  toggleIO(26)
  
while True:
  blynk.run()
  wait_ms(2)