Zend/Gdata/Gapps.php
public function retrievePageOfUsers ($startUsername = null) {
        $query = $this->newUserQuery();
        $query->setStartUsername($startUsername);
        return $this->getUserFeed($query);
    }
public function retrievePageOfUsers ($startUsername = null) {
        $query = $this->newUserQuery();
        $query->setStartUsername($startUsername);
        return $this->getUserFeed($query);
    }
public function retrievePageOfUsers ( $ startUsername = null ) { $ query = $ this -> newUserQuery ( ) ; $ query -> setStartUsername ( $ startUsername ) ; return $ this -> getUserFeed ( $ query ) ; }
Retrieve a page of users in alphabetical order, starting with the
provided username.

@param string $startUsername (optional) The first username to retrieve.
If null or not declared, the page will begin with the first
user in the domain.
@return Zend_Gdata_Gapps_UserFeed Collection of Zend_Gdata_UserEntry
objects representing all users in the domain.
@throws Zend_Gdata_App_Exception
@throws Zend_Gdata_App_HttpException
@throws Zend_Gdata_Gapps_ServiceException
Retrieve a page of users in alphabetical order starting with the provided username .