Please share your dialog structure.try use ACS commons multifieldpanel xtype

you can choose user also. its user/group.

edit the workflow and add a participant step and assign to respective person or group it will go for approval . i think this may solve your issue

1. make sure you have dialog in your component2.make sure your component name and jcr:title property value are not same

Thanks MC Stuff​it works​

can i export aem OOTB reports data in csv or any other format?if yes any then how?

My Requirement: I want to scan the asset before uploading to DAM. So, when i upload any asset it should be stored to temporary location(somewhere in hard-disk) so that i can send that file for scanning.Am handling this via Dam Update WorkflowAny help would be appreciated