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Turn on the Add linked auto-filled gadgets for this item, which will enable the display of additional information, such as Title, Department Name, etc. This will assist with more accurate identification of the person from the user lookup.
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Additional Click here for additional information on the Advanced or Smart Gadgets can be found at the following link: https://kuali-build.zendesk.com/hc/en-us/articles/360052775814-Smart-Gadgets- Data - Lookup -(Single - Item-), Data - Lookup -(List-), and - Data - Multiselect