task for pixel color

[bienio]

If a specific color appear on a screan scrip should keep pressing button untill it dissapear
and when the color is not on the screa scrip should keep pressing diffrent key every 5 sec.

Code:

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;beginning

int wait=wait 0 -S "color:0x6BCBFF"


if wait
,key V
,1
,key Ss
,goto beginning
else
,key T

i dont know why its not working
and how to make repeat pressing key v and Ss till color disapears??