Scenario 1

Your Code

var comment = GetValue ( "cmi.comments_from_learner.0.
" );
var location = GetValue ( "cmi.comments_from_learner.0.
" );
var timestamp = GetValue ( "cmi.comments_from_learner.0.
" );

Code Example

var comment = GetValue ( "cmi.comments_from_learner.0.
comment" );
var location = GetValue ( "cmi.comments_from_learner.0.
location" );
var timestamp = GetValue ( "cmi.comments_from_learner.0.
timestamp" );