How to create custom column for meta field

Use tab "Meta" in the table tools popup.

Also you can add it by code. Use next code in file functions.php:

add_action('woot_profile_extend', function($profile, $action_name) {

    $profile['hmeta_1'] = [
        'title' => WOOT_Vocabulary::get('Meta 1'),
        'order' => 'asc',
        'display' => false, //display in fields list in the settings
        'action' => function($post_id) {
            return get_post_meta($post_id, 'meta_1', true);
        }
    ];

    return $profile;
}, 10, 2);

add_action('woot_profile_extend', function($profile, $action_name) {

$profile['hmeta_1'] = [

'title' => WOOT_Vocabulary::get('Meta 1'),

'order' => 'asc',

'display' => false, //display in fields list in the settings

'action' => function($post_id) {

return get_post_meta($post_id, 'meta_1', true);

}

];

return $profile;

}, 10, 2);

Trough code you can use custom columns in such shortcodes as [woot_upsells]: [woot_upsells id=49 columns='id,title,price,hmeta_1,cart']

Also for some tables it is possible to modificate results in the table cell:

add_action('woot_meta_data_cell', function($value, $meta_data, $post_id, $table_id) {

    if ($meta_data['meta_key'] === 'meta_1' AND $table_id === 21) {
        $value = floatval($value) * floatval(get_post_meta($post_id, 'meta_2', true));
    }

    return $value;
}, 10, 4);

add_action('woot_meta_data_cell', function($value, $meta_data, $post_id, $table_id) {

if ($meta_data['meta_key'] === 'meta_1' AND $table_id === 21) {

$value = floatval($value) * floatval(get_post_meta($post_id, 'meta_2', true));

}

return $value;

}, 10, 4);

This code for table 21 in meta cell meta_1 will display results of a math operation.

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