Help me get url when click a link open in a new tab

[fpktruongdat]

I have a issue . When i click a click a link ,and it open in a new tab Chrome . But when i add a get url of that tab . It can’t not get .
My script :
WebUI.click(‘title/a_link’)
WebUI.switchToWindowIndex(1)
WebUI.getUrl()

Additionally, a new tab is untitle and unload