Redwood CX - Filter custom FCL based on another text field

Summary:

How to filter a Custom FCL field based on a text field.

Content (please ensure you mask any confidential information):

We have a text field BU which has values like CA,US,IN

We have a custom FCL LE hhich has values like : CA_ABC, US_TRY, IN_IGH

We want to filter the FCL based on BU field on the Redwood UI .

How can we achieve this ?

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Code Snippet (add any code snippets that support your topic, if applicable):