I found the following in the R4 & 5 forum:==================================
I just discovered this little gem in the release notes. We use these commands all over the place & we’re running 5.0.2b. Pity they shouldn’t be used - do Lotus recommend an alternative anywhere?
Mark Bryson
The following @commands are no longer supported in R5:
@Command([ViewPageDown])
@Command([ViewPageUp])
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Along with the fact that I don’t see these commands mentioned anywhere in the R6 Designer Help, makes me think that they are no longer supported OR working.