code: func (c *Target) CreateTarget(url string, width int, height int, browserContextId string, enableBeginFrameControl bool) (string, error) {
  	var v TargetCreateTargetParams
  	v.Url = url
  	v.Width = width
  	v.Height = height
  	v.BrowserContextId = browserContextId
  	v.EnableBeginFrameControl = enableBeginFrameControl
  	return c.CreateTargetWithParams(&v)
  }
docs: // CreateTarget - Creates a new page.
  // url - The initial URL the page will be navigated to.
  // width - Frame width in DIP (headless chrome only).
  // height - Frame height in DIP (headless chrome only).
  // browserContextId - The browser context to create the page in.
  // enableBeginFrameControl - Whether BeginFrames for this target will be controlled via DevTools (headless chrome only, not supported on MacOS yet, false by default).
  // Returns -  targetId - The id of the page opened.