HTML Injector allows publishers to inject HTML markup before the closing
Follow these steps to setup the HTML Injector plugin.
Enabling the plugin
After the plugin has successfully downloaded and installed you will be redirected to Settings > Plugins inside Koken. Click the plugin's Enable button to activate the plugin.
Click the plugin's Setup button. On the following page enter the HTML markup you want to inject either field. When finished click the Save button. Your live site will then include your custom markup.