How to add a 3d Polyline to Web Scene

[CyrusBlankinship1]

I'm attempting to export a polyline (with z values) from Pro to AGOL. However, I'm unable to export as a scene layer package or simply a web layer...

In addition, how do you add this to a web scene once it's uploaded to your account? I'm trying to add a building wireframe similar to the example provided by esri here:

SceneLayer filter and query | ArcGIS API for JavaScript 4.3 

[RussRoberts]

There is currently not a scene layer for lines so you will not be able to do that workflow. You can publish the layer as a feature layer and bring that into a web scene and have the layer set to absolute height where it will leverage the z values on the line vertices.

[CyrusBlankinship1]

Just to confirm, the way that Esri did it in this example cannot currently be supported? 

 https://community.esri.com/external-link.jspa?url=https%3A%2F%2Fdevelopers.arcgis.com%2Fjavascript%2... 

[RussRoberts]

You can convert the lines to multipatches and use them in a scene layer. Buffer 3D—Help | ArcGIS Desktop 

[CyrusBlankinship1]

Perfect, exactly what I was looking for. Thank you!