Custom image in add to cart query

You can use a filter to override the product thumbnail source for all or specific items in the cart.

https://docs.cocart.xyz/#filters-overrides-product-thumbnail-source

So i can add one product 2 times and it returns me in cart two products with different images or i have to use woocommerce rest api too make new variation and then add this variation with my custom image

• This reply was modified 3 years, 12 months ago by igsayonara.

I’m confused now. Can you provide more context as to what your product is?

I have woo shop, whih products. User will be able to customize shirt for example on not wp page. I have to save shirt image after user press complete, and add to cart my shirt with this image

I’m assuming that on your store, the customized shirt is submitted as custom item data. So fetch that data to override the product thumbnail for CoCart.

I add folowing strings to my functions.php

add_filter( 'cocart_item_thumbnail_src', 'override_item_thumbail_src', 10, 3 );

function override_item_thumbail_src( $thumbnail_src, $cart_item, $item_key ) {
  return 'https://placekitten.com/100/100';
}

But when i add my product it doesn’t change thumbnail

The filter works for me. I think your confusing CoCart for something else. This plugin is a REST API so the filter I provided you only changes the item thumbnail for the REST API not WooCommerce.