How to create custom polymorphic field using LWC ? In this blog we will see how we can make polymorphic lookup field using LWC. What is Polymorphic field? A polymorphic field is one where related object might be one of the several different types of objects. There can be a use case where a customer wants to connect one object with multiple objects- i.e, relationships between objects or relate a child object to multiple parents's ojects. For example, in task Object we have three such polymorphic fields. The WhoId(Name) relationship of Task can be with Contact or a Lead. Assigned To field can be a User or a Queue. Similarly, a WhatId(Related To) relationship field of Task can be with many other objects like Accounts, Opportunities etc. In Salesforce, currently we do not have any OOTB option or may be we can say we do not have a datatype for polymorphic field which we can create but if required we can create a custom component to facilitate the same functionality. So let's get