WordPress at a glance
filter is not described

media_row_actions filter-hook . WP 2.8.0

Filters the action links for each attachment in the Media list table.

Usage

add_filter( 'media_row_actions', 'filter_function_name_508', 10, 3 );
function filter_function_name_508( $actions, $post, $detached ){
	// filter...

	return $actions;
}
$actions(array)
An array of action links for each attachment.
Default: 'Edit', 'Delete Permanently', 'View'
$post(WP_Post)
WP_Post object for the current attachment.
$detached(true/false)
Whether the list table contains media not attached to any posts.
Default: true

Where the hook is called

WP_Media_List_Table::_get_row_actions()
wp-admin/includes/class-wp-media-list-table.php 756
return apply_filters( 'media_row_actions', $actions, $post, $this->detached );

Where the hook is used (in WP core)

Does not used.