How do I allow Authors and Contributors to use the metabox

Question

i add meta box for custom post type and all user no-admin cannot show it.

How can solved this ??

    add_action( 'add_meta_boxes', 'comic_meta_box' );
    function comic_meta_box() {
        add_meta_box( 
             'small_pic_video_song_id',
             'Upload media',
             'small_pic_video_song_function',
             'muplaod' 
          );                
    };

function small_pic_video_song_function()

 {



    global $post;


?>
    <div class="picurlid" >

    <br /><br />

    <label>  pic url

    <input type="text" name="small_pic_url" value="<?php echo get_post_meta( $post->ID,'small_pic_url', true );?>" style="width:500px;"/>

    </label>

    <br /><br />  

    </div><!-- end pic url -->


    <?



 }

Answer 1

Maybe they are just disabled? I've already seen a lot of people tripping over this one:

On the top right of the edit screen you can see "Screen Options". If you open this section you can enable and disable meta boxes. Maybe yours is deactivated?

Source: Screen Options