Unable to Click a button or Fill text box in a window using Test Stack

hwnd=0x0000000000041686 32bit class="Internet Explorer_Server" style=0x56000000 ex=0x0

Name: “Username or email”
ControlType: UIA_EditControlTypeId (0xC354)
LocalizedControlType: “edit”
BoundingRectangle: {l:841 t:219 r:1438 b:275}
IsEnabled: true
IsOffscreen: false
IsKeyboardFocusable: true
HasKeyboardFocus: true
AccessKey: “”
ProcessId: 11080
RuntimeId: [2A.41686.4.2]
AutomationId: “username”
FrameworkId: “InternetExplorer”
ProviderDescription: “[pid:11080,providerId:0x0 Main(parent link):Microsoft: MSAA Proxy (unmanaged:uiautomationcore.dll)]”
AriaProperties: “”
LiveSettingProperty: Off (0)
IsPassword: false
IsRequiredForForm: false
IsDataValidForForm: true
HelpText: “”
Orientation: 0
IsDialog: false
LegacyIAccessible.ChildId: 0
LegacyIAccessible.Description: “”
LegacyIAccessible.Help: “”
LegacyIAccessible.KeyboardShortcut: “”
LegacyIAccessible.Name: “Username or email”
LegacyIAccessible.Role: editable text (0x2A)
LegacyIAccessible.State: focused,focusable (0x100004)
LegacyIAccessible.Value: “”
Value.IsReadOnly: false
Value.Value: “”

How can I write this code in Katalon ```

var btn = currentWindow.Get(SearchCriteria.ByAutomationId(“username”);
// Perform click
btn.Click();

In Katalon I'm not getting Windows.Get ..

Please help me because I'm very new in Katalon