NetLogo: Is there any way to change patch colour under turtles which dies? -

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i wrote simulation contain ants , spiders. spider kill ants , not things happens spider take of ant venom , reduces health. @ point spider die after there energy equal 0 . want spider die , change patch colours under death spider black brown

i have tried code didn't work .spider disappear (die) pcolor not change 

to spider-death     if energy  <= 0 [ask antiagents-here [die if pcolor = black [set pcolor brown]]] end

please help

after agent dies, no longer exists, , therefore can no longer take actions.

so example:

ask turtles [   die   print "hello!" ]

nothing ever printed, because turtle dies before can print anything.

so in code, need change part:

die if pcolor = black [set pcolor brown]

to:

if pcolor = black [set pcolor brown] die

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