function OnClientCommandExecuted(editor, commandName, oTool)
{
    if(commandName == "Paste")
    {
            window.setTimeout(
            function()
            {
                var elems = editor.Document.getElementsByTagName("p"); //reference to p elements in the content area
            
                for (var i = 0; i < elems.length; i++)
                {
                   var elem = elems[i];
                   //write your code here to strip the non-desired attributes
                   elem.outerHTML = "<p>" + elem.innerHTML + "</p>";            
                }
                
                var elems = editor.Document.getElementsByTagName("b"); //reference to b elements in the content area
            
                for (var i = 0; i < elems.length; i++)
                {
                   var elem = elems[i];
                   //write your code here to strip the non-desired attributes
                   elem.outerHTML = "<strong>" + elem.innerHTML + "</strong>";            
                }                
            }, 150);
    }
}