Hi @oleghbond,

say your data tiddler is called "datatiddler":

<$list filter="[[datatiddler]getindex[nov]]"> <<currentTiddler>> </$list>

 gives you "30" as result

you can do it in different ways. look 
at https://tiddlywiki.com/#getindex%20Operator

BurningTreeC

Am Mittwoch, 7. Februar 2018 10:18:26 UTC+1 schrieb oleghbond:
>
> Dear All,
>
> I've encountered an issue which I need to resolve, namely: How to get a 
> record index of a named property from a data tiddler?
>
> Say, I've got the following set of records in a data tiddler:
>
> *{"oct":31,"nov":30,"dec":31}*
>
>
> As one can see the number index value of  the named property, say, *"nov"* is 
> 2.
>
> But how can I get this number index using a macros of a plugin?
>
> I feel that it should be somehow simply, but I've no idea how.
>
> I would be grateful for your help.
>
> Olegh
>

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