We have create a Nintex Workflow with Assign a Flexi Task action with SharePoint 2019 (On-Prem).
Based on requirements we need to approve task programmatically and we are performing update in Workflow task list which is working fine except for (01) Column which Workflow Outcome.
![](https://uploads-us-west-2.insided.com/nintex-us/attachment/3b609970-68fd-4a5e-af6d-690e6e117ad3.png)
Below is the code for updating task list:
![](https://uploads-us-west-2.insided.com/nintex-us/attachment/4425080f-e97e-405f-ba36-b86a7fd87d65.png)