add

\Bitrix\Main\Entity\AddResult public static
\Bitrix\Tasks\Internals\Task\FavoriteTable::add(
 array ,
 array 
);

Static method adds a task into Favorites for a specific (or current) user. This function does not check access permissions.

Parameter	Description	Version
$data	Primary key.
$behaviour	Behaviour flags: `CHECK_EXISTENCE` - when set as `true`, the function checks if the task is in Favorites (database query is added). By default value is `true`. When set to `false` can result in SQL query error. `AFFECT_CHILDREN` - when value is `true`, all subtasks are also going to be added to Favorites (be default `false`).