title: how do I add additional admin users for gcp console access for a gcp project?
body: <p>I'm working on a GCP project for a client of mine.  I need the ability to give my client access to the GCP Console for the project.  For example, if my client is traveling and he wants to access his database via MySQL Workbench then he'll need to update the SQL Connections Public IP list with the public ip address for whatever wifi network he's currently connected to.  He could contact me to do that for him, but I would rather give him the ability to do this independently, since I'll eventually be turning the system over to him anyway.</p>
  
  <p>So how can I add my client to my GCP account?  Essentially, I want my client to be able to log into GCP and see everything that I see when I log into GCP as the owner of the account.  I don't want to give my client my GCP login credentials since I may need to create other GCP projects for other clients with those credentials.</p>