Can I create a custom members area to update clients?

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I have a website that provides marketing services for clients, and am wondering if it is possible to customise the members area in order to send them messages and reports directly to their profiles? I’ve seen a lot on how to make the members area customisable from the users POV, but nothing that allows for edits to a user’s profile from an admin. Any tips or additional apps available to make this possible would be greatly appreciated. Thanks

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e.g. Wix Studio Editor, Wix Editor, Dev Mode, CMS, etc.

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I believe there is an option to create members pages in Wix. You can create member’s page in Wix and use CMS to send them reports.