WordPress at Your Fingertips
action is not described

woocommerce_blocks_checkout_enqueue_data action-hook . WC 1.0

Usage

add_action( 'woocommerce_blocks_checkout_enqueue_data', 'action_function_name_7209' );
function action_function_name_7209(){
	// action...
}

Where the hook is called

Checkout::enqueue_data()
woocommerce_blocks_checkout_enqueue_data
CheckoutI2::enqueue_data()
woocommerce_blocks_checkout_enqueue_data
woocommerce/packages/woocommerce-blocks/src/BlockTypes/Checkout.php 187
do_action( 'woocommerce_blocks_checkout_enqueue_data' );
woocommerce/packages/woocommerce-blocks/src/BlockTypes/CheckoutI2.php 266
do_action( 'woocommerce_blocks_checkout_enqueue_data' );

Where in WP core the hook is used WooCommerce

woocommerce/packages/woocommerce-blocks/src/Payments/Api.php 51
add_action( 'woocommerce_blocks_checkout_enqueue_data', array( $this, 'add_payment_method_script_data' ) );