woocommerce_add_order_item_meta() │ WC 1.0

Deprecated since 3.0. It is no longer supported and may be removed in future releases. It is recommended to replace this function with the same one.

No Hooks.

Returns

Int.

Usage

woocommerce_add_order_item_meta( $item_id, $meta_key, $meta_value, $unique );
$item_id(required)
.
$meta_key(required)
.
$meta_value(required)
.
$unique
.
Default: false

Changelog

Deprecated since 3.0

woocommerce_add_order_item_meta() code WC 10.6.2

woocommerce/includes/wc-deprecated-functions.php 
function woocommerce_add_order_item_meta( $item_id, $meta_key, $meta_value, $unique = false ) {
	wc_deprecated_function( __FUNCTION__, '3.0', 'wc_add_order_item_meta' );
	return wc_add_order_item_meta( $item_id, $meta_key, $meta_value, $unique );
}