WordPress at a glance
action is not described

woocommerce_widget_field_(type) action-hook . WC 1.0

Default: run an action.

Usage

add_action( 'woocommerce_widget_field_(type)', 'action_function_name_690', 10, 4 );
function action_function_name_690( $key, $value, $setting, $instance ){
	// action...
}
$key
-
$value
-
$setting
-
$instance
-

Where the hook is called

WC_Widget::form()
woocommerce_widget_field_(type)
woocommerce/includes/abstracts/abstract-wc-widget.php 311
do_action( 'woocommerce_widget_field_' . $setting['type'], $key, $value, $setting, $instance );

Where in WP core the hook is used WooCommerce

Usage not found.