Hide related tasks from other users in a group if user accepts a task

I have record and related actions for each record on the tempo.
I have assigned a user group for the tasks. My requirement is, if one of the member have taken a task then the related task should not be visible for the other members in that group, similar to the task assignment in the portal models (Task assignment)....

OriginalPostID-129933

OriginalPostID-129933

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