Hi Mark,
thats a very powerfull PlugIn, thank you for that.
I waste the whole morning with checking the possibilities :-) :-) :-(

Benedikt

Mark S. schrieb am Freitag, 12. März 2021 um 04:34:33 UTC+1:

> This would typically require a technique called recursion. But rather than 
> writing your own from scratch, you can use the kin filter available here 
> <https://bimlas.gitlab.io/tw5-kin-filter/>.
>
> After you have it installed and loaded, you could use a nested set of list 
> widgets like this:
>
> <$list filter="[tag[Company]]" variable="company">
> <$list filter="[kin::from:<company>compare:string:eq[Germany]]">
> <<company>><br/>
> </$list>
> </$list>
>
> to find all companies that are descendants of "Germany".
>
> BTW, when did New York become a country? ;-)
>
> On Thursday, March 11, 2021 at 3:52:52 PM UTC-8 benedikt....@web.de wrote:
>
>> Hi,
>> I have the following task
>> I have Tiddlers taged as Country, City or Company
>> Every City is also tagged with the country and every Company is also 
>> tagged with city where it is located.
>> Example:
>> 'Germany' tagged as 'Country'
>> 'USA' tagged as 'Country'
>> 'Berlin' tagged as 'City' and 'Germany'
>> 'Munic' tagged as 'City' and 'Germany'
>> 'New York" tagged as 'Country' and 'USA'
>> 'Comp1' tagged as 'Company' and 'Munic'
>> 'Comp2' tagged as 'Company' and 'Berlin
>> 'Comp3' tagged as 'Company' and 'Berlin'
>> 'Comp4' tagged as 'Company' and 'New York'
>>
>> Now I want a list with all Companies in Germany  
>> Is there a way to create this with a filter?
>> like tag[Company]tag[tag[Germany]]
>>
>> Thanks
>> Benedikt
>>
>

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