Is it possible to set focus on task button

Is it possible to set focus on task button
Best answer by Mark Jongeling
How would the GUI know when the input is completed/finished? Or can the user only type in one character?
There are other ways of resolving this challenge, for example having a screen with all receipts "Bonnen’ and using a task to mark the ready "Gereed” upon clicking; therefore eliminating the need of inputting any value inside the Task itself.
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