Task is a noun, dear. How about you go back to the dictionary and see if you can find a verb ?
task
/task/
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verb
past tense: tasked; past participle: tasked
assign a piece of work to.
"NATO troops are tasked with separating the warring parties"
make great demands on (someone's resources or abilities).
"it tasked his diplomatic skill to effect his departure in safety"
tasked - Google Search