https://hostname.example.com:2083/cpsess##########/execute/Ftp/set_homedir?user=example1&domain=example.com&homedir=example1%2F

$cpanel = new CPANEL(); // Connect to cPanel - only do this once.
 
// Set the home directory for the example1 FTP user.
$new_quota = $cpanel->uapi(
    'Ftp', 'set_homedir',
    array(
        'user' 	   	=> 'example1',
        'domain'  	=> 'example.com',
		'homedir'	=> 'example1/",
         )
);

my $cpliveapi = Cpanel::LiveAPI->new(); # Connect to cPanel - only do this once.
 
# Set the home directory for the example1 FTP user.
my $set_homedir = $cpliveapi->uapi(
    'Ftp', 'set_quota',
    {
        'user'  	=>	'example1',
        'domain' 	=>	'example.com',
		'homedir'	=>	'example1/',
    }
);

<!-- Set the home directory for the ftpaccount FTP user. -->
[% execute( 'Ftp', 'set_homedir', { user => 'example1', domain => 'example.com', homedir => 'example1/' } ); %]

uapi --user=username Ftp set_homedir user=example1 domain=example.com homedir=example1/

{  
   "messages":null,
   "errors":null,
   "status":1,
   "metadata":{  

   },
   "data":null
}