# Product galleries
Product galleries that have syncing sliders needs extra step make them work flawlessy after importing into existing site. Regarding to [Product gallery with thumbnails](/tutorials/product-gallery-with-thumbnails.md) you need to add ID of these 2 query loops to code snippet.
1. Copy IDs of these 2 loops inside sliders\
2. Go to Code Snippet plugin to "Get product gallery image IDs" and paste them here:\ 
```php
add_filter( 'bricks/posts/query_vars', function( $query_vars, $settings, $element_id ) {
// Define an array of element IDs for which the filter should apply
$target_element_ids = array('ygskej', 'edsgfi', 'nvlcty', 'grfmlt', 'mzflmn', 'teypju', 'mmyxbc'); // Add your element IDs here
```
Each ID should be wrapped inside ''. Example: 'ygskej'
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