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DemiraliDemirali 

Getting Names of a Related object on a Text field of Parent

I have a custom object (Property__c). Properties are owning another custom object (Property_Units__c). 
Property Units have lookup fields which are (Tenants__c) and (Landlord__c). 

A property owns about 40 units on average. So we have 40 different tenants. 

I want to display list of Tenants on a text field on Property upon each new update. Is there a way to do it? 

 

Thanks. 

Jia HuJia Hu
You can use Trigger to do this.
Deploy a Trigger on the child object and when the Trigger is fired, query the parent record and update the corresponding field in the Trigger.