Good post that describes how to override Lookup method using Event Handler : https://dynamics365musings.com/override-an-existing-lookup-method-event-handler/
AX / D365FO – Override An Existing Lookup Method with Event Handler
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Good post that describes how to override Lookup method using Event Handler : https://dynamics365musings.com/override-an-existing-lookup-method-event-handler/
More Posts
AX / Dynamics 365 For Finance and Operations blog 
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