Google Directory integration is controlled in Preferences > Integration > Google Directory.
Open the page and check the "Enable Google Directory integration" mark.
Then click "Link Google Account" button and log on to your G Suite admin account.
On the next step grant, Xink application offline access to the directory.
Then check Google connectivity, just to be sure Xink has access to the directory.
That is all, Click "Save" to save preferences.
Import sequence is started once in an hour. Actual import delay might differ depending on current service load.
How to filter users
You use the query string without escaping the URL.
The query parameter is entered in the same way as described in the Examples section of the page:
Import users with a givenName OR familyName that contains a value.
Import for users in a given country.
Import users matching an email prefix.
Import users in a specific organization.
Import users with the same direct manager: (See screenshot below)