Please help send data to a user using with admin in the same app

PLease help me i dont know this, with the user login and a login for the admin on the same app then the admin can send data to the user that is login. Please can you help me? please it means a lot ty in advance:)\

Please don’t spam multiple communities with the same question. I see you created the same topic here. This is especially true when you have marked an answer as a solution on another forum.