How to override schema 'availability' in woocommerce?

@tressie.damore 

To override the schema 'availability' in WooCommerce, you can use the 'woocommerce_structured_data_product' filter. Here's an example code snippet that demonstrates how to override the availability schema in WooCommerce:

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function custom_override_availability_schema( $markup, $product ) {
    // Check if the product is in stock
    if ( $product->is_in_stock() ) {
        $markup['availability'] = 'http://schema.org/InStock';
    } else {
        $markup['availability'] = 'http://schema.org/OutOfStock';
    }

    return $markup;
}

add_filter( 'woocommerce_structured_data_product', 'custom_override_availability_schema', 10, 2 );

In the above code snippet, we are defining a custom function custom_override_availability_schema that checks if the product is in stock or out of stock and updates the 'availability' schema accordingly. We then hook this function to the woocommerce_structured_data_product filter.

You can add this code to your theme's functions.php file or create a custom plugin for it. After adding the code, make sure to clear any caching plugins you may have enabled to see the changes take effect on your site.