Finding Elements by ID or Xpath and send Keys in

Hi,

Just want know how can send keys in text box using ID or Xpath of element?

For Example i want to type in something on google page. below is the code i have written which is not working. Can someone please correct me :

function openbrowser()
{
Browsers.Item(btIExplorer).Run("https://www.google.co.uk/");
Aliases.browser.pageGoogle.FindId("gs_htif0").SetText("hello");
}