Custom menu item in Site Action menu
<?xml version="1.0" encoding="utf-8"?>
<Elements xmlns="https://schemas.microsoft.com/sharepoint/">
<CustomAction
Id="ApproveMenuItem"
Description="Option to approve 'Pages' library or 'Style library' and all its subfolders."
Title="Approve files"
GroupId="SiteActions"
Location="Microsoft.SharePoint.StandardMenu"
ImageUrl="/_layouts/Images/CustomActionMenuItem/piratIcon32.jpg"
Sequence="10">
<UrlAction Url="~sitecollection/_layouts/CustomActionMenuItem/ApprovalPage.aspx"/>
</CustomAction>
</Elements>