i have come across this problem before, but this time i need it or else my patch will not work correctly. the sustain point data is not output when you ask for the point's data in the breakpoint object.

how-to-detect-sustain-point-data-from-breakpoint-function-object

nevermind, i figured it out finally. somehow i overlooked the getsustain message this whole time..

how to detect sustain point data from breakpoint function object