We are in the process of architecting out our User/Role/Permission functionality

We are in the process of architecting out our User/Role/Permission functionality to integrate Appian into our environment (and currently don't have an on-premise or any other installation available for me to test any theories)... I have a couple questions about the Custom User fields and how they can be used to create dynamic groups in Appian based on user attributes:
1 Can these custom fields be populated via the LDAP synchronization process?
2 Can a multi-valued LDAP attribute be synched to a custom (or normal) user field?
3 If so, can that field be used to dynamically determine group membership based on the existence of 1 or more values of that multi-valued field?
4 If not, what is the limit in size that one of these user fields can hold (I am under the impression that these are already hidden to the Appian UI - so there would be no issue with having a 'really long field value' in a user's profile at least from the UI standpoint)?
5 Is there al...

OriginalPostID-65726

OriginalPostID-65726