SetOutlineLvl
Sets the outline level for the specified properties.
Inherited from ApiParaPr.SetOutlineLvl.
Example
Get the outline level of the specified paragraph via paragraph properties in a document.
// How to set outline lvl for a paragraph properties in a document?
// Set outline lvl and display the result in a document.
const doc = Api.GetDocument();
const paragraph = doc.GetElement(0);
const paraPr = paragraph.GetParaPr();
const levelBefore = paraPr.GetOutlineLvl();
paraPr.SetOutlineLvl(8);
const levelAfter = paraPr.GetOutlineLvl();
let text = 'Outline level (index) for this paragraph is currently set to ' + levelAfter;
text += ',\nbut originally was set to ' + levelBefore;
paragraph.AddText(text);