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jadent
Duplicating the WhoId & WhatId
Is there anyway to duplicate the functionality of the WhoId or WhatId? That is an Id field that can lookup to multiple types of sobjects?
werewolf
No, not in a custom object. Nor would you necessarily want to, honestly -- you'll notice that those fields (called polymorphic fields) do not support relationship queries or cross-object workflow or anything like that. You don't want that.
jadent
I didn't think so. since i don't need any additional functionality (cross object workflow, relationship queries, etc) i would love if this was a future. not a big deal in the end, as i will just use multiple lookups and then determine which field is used