===== Mask =====
==== Description ====
Mask - is part of html tag attribute value, which is used by software when searching for the element to click while the task execution.
==== Properties ====
By default the search elements occurs by attribute ''href'' values . To search for items from the values ​​of any attributes, you must specify a mask as ''atribute|mask''.
==== Additionally ====
If while the task execution no element at the specified mask is found, then execution stops and the task is failed.
==== Examples ====
  - Parameters
    - Mask ''link'' is specified
    - Mask ''class|in'' is specified
  - Conditions
<code html><div>
  <a href="pages.hml" class="link">Ссылка 1</a>
  <a href="links.hml" class="link">Ссылка 2</a>
  <a href="about.hml" class="link">Ссылка 3</a>
  <a href="/links/other.php">Ссылка 4</a>
</div></code>
  - Result
    - click on the items "Link 2" or "Link 4" will be made, because their values for ''href'' attribute contain specified mask ''link''
    - click on the items "Link 1", "Link 2" or  "Link 3", because their values for ''class'' attribute contain specified mask ''in''