Do you have all of the information for every talk in one tiddler or do you have
one for each talk?
If you have one for each talk than you can pull out the data using something
like this:
\define getIndex()
<$list filter='[[testdata]indexes[]]'>
{{$(TEDVideo)$##$(DataIndex)$}}
</$list>
\end
<$list filter='[tag[TED Video Data]]' variable='TED Video'>
<$set name=DataIndex value='TED_Speaker'>
<<getIndex>>
</$set>
Which will list everything listed in the TED_Speaker indexes of data tiddlers
tagged with 'TED Video Data'. This is assuming that you have one data tiddler
per video. Due to the limitatins on json data tiddlers at the moment I would
suggest just using fields for this now, since with fields you can just use the
get operator to simplify things a lot since the code would then be:
<$list filter='[tag[TED Video Data]get[TED_Speaker]]'>
</$list>
if you use normal tiddlers and fields to store the information.
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