WordPress at a glance
action is not described

post-upload-ui action-hook . WP 2.6.0

Fires on the post upload UI screen.

Legacy (pre-3.5.0) media workflow hook.

Usage

add_action( 'post-upload-ui', 'action_function_name_1531' );
function action_function_name_1531(){
	// action...
}

Changelog

Since 2.6.0 Introduced.

Where the hook is called

media_upload_form()
post-upload-ui
wp_print_media_templates()
post-upload-ui
wp-admin/includes/media.php 2126
do_action( 'post-upload-ui' );
wp-includes/media-template.php 284
do_action( 'post-upload-ui' );

Where the hook is used (in WP core)

Usage not found!