Redirect producer.portal_redirect does not redirect for tables that do not extend task table.
Steps to Reproduce
Ensure that the Service Portal plugin is installed.
Open any record producer, for example, Create Incident.
Change the table that does not extend from task table, for example, Base Configuration Item (cmdb)
Add the following code to redirect: producer.portal_redirect = "?id=sc_home"
Submit the catalog item from Service Portal (https://<instance-name>.service-now.com/sp?id=sc_cat_item&sys_id=3f1dd0320a0a0b99000a53f7604a2ef9
Note that the record producer does not redirect on submit to sc_home for table that do not extend task.
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Please note that this PRB1199056 has been closed as duplicate of PRB1289890. Hence, please refer the below KB for release and other information:
Related Problem: PRB1199056