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Pradeep Pradhan 21Pradeep Pradhan 21 

Create custom LWC which contains search box. • This LWC needs to be made available on Case page layout • When made search, it should find related cases and display list of cases with below values a. Case number b. Case Su

SwethaSwetha (Salesforce Developers) 
Hi Pradeep,
I see multiple questions on how to implement a scenario from you. The developer community cannot provide complete code but can help if you are stuck somewhere. Please also provide what you have tried so far instead of posting the requirement directly.

Recommend reviewing the below posts to get started
https://hicglobalsolutions.com/blog/create-search-bar-salesforce-lwc/

If this information helps, please mark the answer as best and close the thread. Thank you
Suraj Tripathi 47Suraj Tripathi 47
Hi, Pradeep Pradhan 21

Greetings!

I will provide you a link below for creating a search bar basically the link shows for search a contact you can customize or change the code for cases or another object. After that, you can add that to any page layout but if you want to show only in case page layout you can go page layout setting and provide conditions according to your requirement.

Link:
https://hicglobalsolutions.com/blog/create-search-bar-salesforce-lwc/

If you find your solution mark this as the best answer.

Thank you!

Regards,
Suraj Tripathi.