Is it possible to have a "Create" Action on a list with no parent? If not then is there a workaround?
Yes, this is possible.
For example, you can use a Form on a UX page to add a new item to the list: https://help.anaplan.com/c0e256d4-a6cd-4b2b-9509-9fd2a4fd6ba4-Create-a-list-item-via-a-form
You can learn more about Forms here:
https://help.anaplan.com/f237d7b6-3508-4655-bbbb-7f8c61f1665c-Forms-on-pages
Check out the latest Anaplan feature updates and enhancements in our November 2025 official release notes. The information below offers supplemental information to that post. Intelligence Anaplan Forecaster: General enhancements Anaplan Forecaster now supports list subsets for the item ID list and custom time, list format…
Check out the latest Anaplan feature updates and enhancements in our October 2025 official release notes. The information below offers supplemental information to that post. Planning experience Combined Grids This new capability gives page builders the ability to combine multiple modules into a single, unified grid on a UX…