wooocommerce_store_api_validate_add_to_cart action-hook . WC 1.0

Fire action to validate add to cart. Functions hooking into this should throw an \Exception to prevent add to cart from occuring.

Usage

add_action( 'wooocommerce_store_api_validate_add_to_cart', 'action_function_name_3631', 10, 2 );
function action_function_name_3631( $product, $request ){
	// action...
}

$product(\WC_Product)

Product object being added to the cart.

$request(array)

Add to cart request params including id, quantity, and variation attributes.

Where the hook is called

do_action( 'wooocommerce_store_api_validate_add_to_cart', $product, $request );

Where in WP core the hook is used WooCommerce