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Is there an easy way to set/change the Name/Slug of a Task based on the arguments?  (ie, a task for running Jupyter notebooks that names the task after the filename of the notebook)

I think you want <https://docs.prefect.io/core/idioms/task-run-names#:~:text=Tasks%20in%20Prefect%20provide%20a,on%20the%20input%20it%20received.|this>

<@U01QEJ9PP53> Does that work if you need to transform the argument in some way?  Like let's say it gets passed a dictionary and I wanna access one particular element of the dictionary for the Task's name?

You can use a function also, I think it’s in <https://docs.prefect.io/core/concepts/templating.html#where-can-i-use-templating|this> doc

Is there a way to do that with the Slug?  (that's the thing that determines what shows up in the GUI, right?)

I don’t think there is a way for the slug

Somewhat related to this question, is there a way to query the flow run using task_run_name?

More like query for task_run_name and then return the flow_run accompanying it