SharedBufferArray implementation

[developerAvalon]

Hi, I want to enble SharedBufferArray for gallery view by Implementing Credentialless Headers but i'm not  sure where exactly to add this headers.can u guide me on which api this should be added or is it gonna be added on client side header response or server side response??

 Cross-Origin-Embedder-Policy: credentialless Cross-Origin-Opener-Policy: same-origin