            

            

            <td class="description last">The URL of an image (.jpg, .png, .gif). Redirects are followed, so you can use shortened URLs. The resolved URL is returned in the response. Either images_file or url must be specified.</td>
        </tr>

    
    </tbody>
</table>

            </td>
        </tr>

    

        <tr>
            
                <td class="name"><code>callback</code></td>
            

            <td class="type">
            
                
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