Core Workflow with multi tree select

  • Used Zammad version: 5.2
  • Used Zammad installation type: package
  • Operating system: Debian 10
  • Browser + version: Safari (newest)

Expected behavior:

  • I want to remove every option from a multi tree select when closing a ticket using Core Workflow.
  • i.e. when closing the ticket, the fields contents should be an empty array

Actual behavior:

  • Nothing I tried resulted in the field being empty after saving the ticket.

Steps to reproduce the behavior:

  • Create custom object from type ‚multi tree select‘ with a few options
  • Select one or more values within an open ticket and update the ticket
  • Create Workflow to empty the ‚multi tree select‘ when the ticket gets closed

First, I tried ‚remove‘ but then realised the documentation states that removing fields will preserve the current value. Then, I tried ‚hide‘ in combination with ’select’ ("Select a specific value within a select, tree select or boolean fields.“).

Hi there,
could you elaborate on the subject or include a screenshot as I’m not sure to have an idea what you really mean?
I’d would grateful.
Best regards,

Sure: I want to have a custom workflow remove all(!) options from a ‚multi tree select‘ (new object type since Zammad 5.2) when changing the status to ‚closed‘. My workflow only seems to remove the ’new’ options in the editing mask, but I want all previously stored values (within the database) gone after updating.

Creation mask:
Bildschirmfoto 2022-07-06 um 11.49.47

Editing mask:
Bildschirmfoto 2022-07-06 um 11.50.42

Thanks for your reply.
What a good idea! I wonder if I come upp with a solution to the problem. Should you beat me to it, I’d be delighted to hear from you.

1 Like

My current solution: I created a trigger that removes the object’s contents as soon as the ticket got closed.

Not sure if this is expected, but maybe someone from the team will weigh in on that :wink:

Hi there, I thought about a trigger as well. Thing is though, that when a user in on holiday or absent for a longer period of time, setting a definite time makes it impossilble to a person to react.

Or is it exactly what you wanted?

All the best,


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