Hello Vijayakumar,
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The non-persistent entity's lifetime is limited to the Microflow it is in. The moment the Microflow ends, the object is not present. If you need to access the data in another function, you should copy it to a persistent entity (use community commons ORM functions CopyAttributes) and set the association to the system.user entity. Don’t forget to clean up the persistent objects.
https://docs.mendix.com/appstore/modules/community-commons-function-library/