why google return blank element

[lapoelkan12 0]

Hi , i try to insert in input box of google somthing  , for learn , i create this script  but  when i run it , return blank element why ??

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#include <ButtonConstants.au3>
#include <ColorConstants.au3>
#include <Date.au3>
#include <Debug.au3>
#include <GuiComboBoxEx.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>

; non standard UDF's
#include "wd_helper.au3"
#include "wd_capabilities.au3"




Global $sDesired,$sCapabilities,$sSession
Local $sCapabilities = SetupGecko()
Local $iWebDriver_PID = _WD_Startup()

If @error <> $_WD_ERROR_Success Then
    Exit -1
EndIf

$sSession = _WD_CreateSession($sCapabilities)
_WD_Navigate($sSession, "https://www.google.com")
 
_WD_LoadWait($sSession)
Sleep(3000)
;$sElement = _WD_FindElement($sSession, $_WD_LOCATOR_ByXPath, "//input[@id='username']")
$sElement = _WD_FindElement($sSession, $_WD_LOCATOR_ByXPath, "//input[@name='q']")


MsgBox(0,'',$sElement)
;_WD_DeleteSession($sSession)
;_WD_Shutdown()


Func SetupGecko()
    _WD_Option('Driver', 'geckodriver.exe')
    _WD_Option('DriverParams', '--log trace')
    _WD_Option('Port', 4444)

;~  Local $sCapabilities = '{"capabilities": {"alwaysMatch": {"browserName": "firefox", "acceptInsecureCerts":true}}}'
    _WD_CapabilitiesStartup()
    _WD_CapabilitiesAdd('alwaysMatch', 'firefox')
    _WD_CapabilitiesAdd('browserName', 'firefox')
    _WD_CapabilitiesAdd('acceptInsecureCerts', True)
    ;If $bHeadless Then _WD_CapabilitiesAdd('args', '--headless')
    _WD_CapabilitiesDump(@ScriptLineNumber) ; dump current Capabilities setting to console - only for testing in this demo
    Local $sCapabilities = _WD_CapabilitiesGet()
    Return $sCapabilities
EndFunc   ;==>SetupGecko

 

[Danp2 1,277]

It would be helpful to see the complete console output (post it the same way you posted the code above)