UpdateElement

Updates an XML element at the specified XPath.

Syntax

expression.UpdateElement(xPath, xmlStr);

expression - A variable that represents a ApiCustomXmlPart class.

Parameters

Name	Required/Optional	Data type	Default	Description
xPath	Required	string		The XPath of the node to update.
xmlStr	Required	string		The XML string to replace the node content with.

Returns

boolean

Example

Update an XML element in a custom XML part in a presentation.

// How can I update element using a custom XML part in a presentation?

// Update element for a custom XML part in a presentation.

const presentation = Api.GetPresentation();
const slide = presentation.GetSlideByIndex(0);
slide.RemoveAllObjects();

const xmlManager = presentation.GetCustomXmlParts();
const xml = xmlManager.Add('<content xmlns="http://example"><text>Example</text></content>');
xml.UpdateElement('/content', '<user>John</user>');

const fill = Api.CreateSolidFill(Api.RGB(66, 133, 191));
const stroke = Api.CreateStroke(0, Api.CreateNoFill());
const shape = Api.CreateShape('roundRect', Api.MillimetersToEmus(300), Api.MillimetersToEmus(130), fill, stroke);
shape.SetPosition(Api.MillimetersToEmus(20), Api.MillimetersToEmus(35));
slide.AddObject(shape);

const docContent = shape.GetContent();
const paragraph = docContent.GetElement(0);
paragraph.AddText('XML after update: ' + xml.GetXml());