Providing Data to the NWBC Side Panel from SAPUI5

I know you can provide data from Classic Dynpro and Web Dynpro ABAP applications to the NWBC Side Panel. But is it possible to do the same from a SAPUI5 application?

The documentation doesn't say it is: http://help.sap.com/saphelp_nw74/helpdata/en/d5/8e1446b89144cc9b5062ed7fea8896/content.htm?frameset=/en/66/48a793bc2f4ec5bdb8e7e93ea6cd9f/frameset.htm

I am guessing there must be access to the NWBC from the content area via JavaScript? Does anyone have any insights?

Thanks,

Simon