input: [Item] Create Patch [Description] Choose this option to create a patch file based on a shelved change. In the Create Patch dialog box that opens, specify the file to save the patch in, and the changes to create a patch from. By default, all changes from the selected shelf are involved in the patch creation. To view which changes are included, click the Selected link. For details, see Creating Patches. [Shortcut] 
output: N/A