insert dynamic content in tinymce button dropdown Listbox

hi guys ,

how i can insert dynamic content in wp-editor. below is my code.
values = [];
for(var i in my_plugin)
values.push({text: my_plugin[i],value: i });
alert(my_plugin);
my_plugin is returning data it is displaying right as well but it is not inserting in wp-editor

menu: [ { text: “Insert Property Listing”, type: ‘listbox’, name:’plist’ , onselect:function(v) {
shortcode = ‘[recent-postsss/]’;
ed.execCommand(‘mceInsertContent’, 0, shortcode);
//ed.insertContent(this.value());
}, values: values , },
]