$Xml

Overview

const $Xml;

Example

$Xml.SelectAll('//Customer', function(customer) {
  var id = customer.Evaluate('Id'); 
});

Reference point

$Xml object points different elements depending of where used.

In Pre work, Post work, Role, Route scripts $Xml is bound to process pool element.

Rule based Validation and Formatting rules $Xml is bound to control element.

Pool element is created at root of XML tree by default but sub-workflow instances may use any element in data tree.

Example Data Model for Pool</p>
<p><form></p>
<p>  <Product></p>
<p>    <Id>1234</Id></p>
<p>    <Orders></p>
<p>      <Order></p>
<p>        <Id>4567</Id></p>
<p>        <Amount>1</Amount></p>
<p>      </Order></p>
<p>        <Id>8901</Id></p>
<p>        <Amount>2</Amount></p>
<p>    </Orders></p>
<p>  </Product></p>
<p></form>

In product process $Xml will be point to "Product" element.

For Order process (as a sub-workflow of Product process) $Xml will point the "Order" element where is sub workflow is initiated.

For rules on "Amount" field $Xml will point "Amount" element.

Accessing Pool Root

Because $Xml may point different elements in data model, in some cases you may need to access pool root element. You can use "/form/Product" xpath or "$poolRoot" variable if you need to access pool root.

Example

var productId = $Xml.Evaluate("/∗/Product/Id");

Example

Accessing pool root with variable

var productId = $Xml.Evaluate('$poolRoot/Id');

See Also

• Xml Xml