Represents a content container, i.e. a tab, within a window. Sheets may contain a View, or an image preview. | Methods | Return Value | Description | | --- | --- | --- | | id() | int | Returns a number that uniquely identifies this sheet. | | window() | [Window](https://www.sublimetext.com/docs/3/api_reference.html#sublime.Window)  \*or* None | Returns the window containing the sheet. May be None if the sheet has been closed. | | view() | [View](https://www.sublimetext.com/docs/3/api_reference.html#sublime.View) *or* None | Returns the view contained within the sheet. May be None if the sheet is an image preview, or the view has been closed. |