WordPress at a glance
action is not described

woocommerce_email_setting_column_(key) action-hook . WC 1.0

Usage

add_action( 'woocommerce_email_setting_column_(key)', 'action_function_name_2324' );
function action_function_name_2324( $email ){
	// action...
}
$email
-

Where the hook is called

WC_Settings_Emails::email_notification_setting()
woocommerce_email_setting_column_(key)
woocommerce/includes/admin/settings/class-wc-settings-emails.php 337
do_action( 'woocommerce_email_setting_column_' . $key, $email );

Where in WP core the hook is used WooCommerce

Usage not found.