woocommerce_admin_key_fields │ action-hook │ WC 1.0

Usage

add_action( 'woocommerce_admin_key_fields', 'wp_kama_woocommerce_admin_key_fields_action' );

/**
 * Function for `woocommerce_admin_key_fields` action-hook.
 * 
 * @param  $key_data 
 *
 * @return void
 */
function wp_kama_woocommerce_admin_key_fields_action( $key_data ){

	// action...
}

$key_data

-

Where the hook is called

<?php do_action( 'woocommerce_admin_key_fields', $key_data ); ?>

Where the hook is used in WooCommerce