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AuyonAuyon 

Related To in Custom Objects

Hi, 


I am creating a custom app which has four custom object and the first 
three are master object for the fourth one. 


In the fourth object (i.e. the child of all the other object) I would 
like to create a "Related To" field, this field would have one drop 
down to select which object type (one of the three custom objects)  I 
want to relate it to and the second field a lookup for the record to 
which it would be related. 


This feature is already there in events and tasks object. I want to 
replicate the feature in custom object. 


I know this would be a customization, however, I am trying to debate 
on best probable ways to do this. 


Please help. 


Regards 
Auyon

sfdcfoxsfdcfox

It's not even customization, it's outright Visualforce coding. You see, that multi-type dropdown for tasks/events is a specially hard-coded feature that can't be replicated using only customization. At minimum, you need one field for each type of lookup, then a Visualforce piece to allow the user to switch between them. A bit too much like work, if you ask me. I'd say you just have the multiple fields on your layout, and restrict them to a only-one-choice option by validation rules.