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UpdateAttribute

Updates an attribute of the XML node at the specified XPath.

Syntax

expression.UpdateAttribute(xPath, name, value);

expression - A variable that represents a ApiCustomXmlPart class.

Parameters

NameRequired/OptionalData typeDefaultDescription
xPathRequiredstringThe XPath of the node whose attribute should be updated.
nameRequiredstringThe name of the attribute to update.
valueRequiredstringThe new value for the attribute.

Returns

boolean

Example

This example shows how to update the value of an attribute in a custom XML node.

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

const xmlManager = presentation.GetCustomXmlParts();
const xml = xmlManager.Add('<content xmlns="http://example" version="1.0"></content>');
xml.UpdateAttribute('/content', 'version', '2.0');

const fill = Api.CreateSolidFill(Api.HexColor('#00897B'));
const stroke = Api.CreateStroke(0, Api.CreateNoFill());
const shape = Api.CreateShape('rect', 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());