The Script/Spectrum is added to the Help of beta version.
Please use the Help of the application since this is the most up to date resource. https://forum.digilentinc.com/topic/8908-waveforms-beta-download/
You could use Ctrl+Space, code completion: https://forum.digilentinc.com/topic/15433-more-meta-data-wanted/?do=findComment&comment=37724
For next software version added support to set trace data from script.