Good day  @andiak 

“Release a Task List item” can be used to undo “Redirect a Task List item” according to documents, but I have not tested it on my environment yet. Will you please try Redirect if you have not tested with it yet?

I hope at least one of the following will helps:

• Task List: https://help.k2.com/onlinehelp/k2five/userguide/5.3/default.htm#K2-Management-Site/Workflow_Server/TaskList.htm%3FTocPath%3DAdminister%7CK2%2520Management%7CWorkflow%2520Server%7CWorkflows%7CProcess%2520Details%7C_____5.
• “End user needs to redirect the worklists to a different user - what rights are required to be given”: https://community.k2.com/t5/K2-Five/End-user-needs-to-redirect-the-worklists-to-a-different-user/m-p/113434#M4409.
• Workflow REST API: Retrieve Task List: https://help.k2.com/onlinehelp/k2five/devref/5.3/default.htm#Runtime/WF-REST-API/Workflow-REST-API-Retrieve-Tasklist.htm.
• Configuring the Workflow REST API: https://help.k2.com/onlinehelp/k2five/userguide/5.0/default.htm#K2_Management_Site/Integration/Workflow-REST-API.htm%3FTocPath%3DAdminister%7CK2%2520Management%7CIntegration%7CAPI%2520Configuration%7C_____1.
• Workflow REST API Code Samples: https://help.k2.com/onlinehelp/k2five/devref/5.3/default.htm#runtime/wf-rest-api/workflow-rest-api-samples.htm.

Best,

Sunrise

Hi  @andiak ;

At the moment, I think you can redirect the item back to the original user through the management console in Workspace. for now there was feature logged(https://ideas.k2.com/) just that I'm struggling to trace it.

Additionally Kindly dive into this dev ref(https://help.k2.com/onlinehelp/K2Five/DevRef/5.3/default.htm#Runtime/WF-Manage/Delegation.html).

Take this time to Vote for related issue as shown(https://ideas.k2.com/ideas/APIT-I-880).

Best Regards;

Widson.

Please also look read in below:

Goto activity

https://community.k2.com/t5/K2-Five/How-exactly-does-redirect-work/td-p/108248

@Gabor wrote

I have found a workaround a long time ago for removing unwanted worklist items by simply redirecting the item to a person that already has the item. It does not start it twice and the old one goes away.  This is via the K2 API.

How to delete or stop an activity from another in the same process?

https://community.k2.com/t5/K2-Net-Blackpoint/How-to-delete-or-stop-an-activity-from-another-in-the-same/td-p/20293

Hope it helps

Thanks for the reply

This one works since it actually return the task to the original owner after redirect, however the GoToActivity method isn't executed from the management site. I also check the K2 REST API but it seems that i cannot found said method. Any available alternative beside using custom made API?

Hi  @andiak 

Please take a look at the following, if you have not yet, about - Sleeping, Waking, Redirecting, Allocating and Releasing tasks:

Workflow REST API: Task Operations: https://help.k2.com/onlinehelp/k2five/devref/5.3/default.htm#Runtime/WF-REST-API/Workflow-REST-API-TaskOperations.htm?Highlight=release%20task%20list.

Best,

Sunrise

Hello  @andiak ,

I have went out to gather all the information you may neeed 

Process cancellation:

https://stackoverflow.com/questions/4394169/k2-process-cancellation

Task Name and Goto Activity in K2 Five

https://medium.com/k2-dev-en/task-name-and-goto-activity-in-k2-five-91c7dcf9d2bc

Workflow REST API Code Samples

https://help.k2.com/onlinehelp/k2five/devref/5.2/default.htm#runtime/wf-rest-api/workflow-rest-api-samples.htm

Workflow REST Services: However this is our previous versions

https://help.k2.com/onlinehelp/k2blackpearl/devref/4.7/default.htm#WorkflowRESTServices.htm

How To: Expire Parallel Tasks Based on a Condition

https://help.k2.com/onlinehelp/K2Cloud/UserGuide/Update_9/default.htm#How-Tos/ExpireParallelTasks/ExpireParallelTasks.htm

Expire client event not the activity

https://community.k2.com/t5/K2-Blackpearl-Forum-Posts/Expire-client-event-not-the-activity/td-p/74483

How to end one of the parallel flow and keep other running on click of a button

https://community.k2.com/t5/K2-Blackpearl-Forum-Posts/How-to-end-one-of-the-parallel-flow-and-keep-other-running-on/m-p/44753/highlight/true?nobounce=

I think you should also try lookind deeply into the GotoActivity as it has worked for most people.

All the best.

Hi  @andiak 

Yes, you can use the GoToActivity with API and the advantage is that you can specify the FromActivity in order to not stop all other activities but only one.

This API is already used by the custom very intersting service broker Workflow Management: https://community.k2.com/t5/K2-blackpearl/WorkflowManagement-Service/ba-p/65416