I might be proven wrong, but my experience is that it's a 1:1 relationship 
between the checkbox and a storage location, there's not a way to directly 
have multiple checkboxes change a list per-se. A couple of ideas though:

   - You could use the same temp tiddler and use individual fields for your 
   possible values, that might make it easier to collect the values for later 
   processing. 
   - There are now "checkactions" and "uncheck actions" associated with the 
   widget. So, if you wanted to, you could force the checkboxes to run a 
   listops routine to add-subtract values from a list. This would be the 
   closest to what your expecations are, but it might not actually be the most 
   efficient. 


On Thursday, August 26, 2021 at 8:07:40 AM UTC-4 TW Tones wrote:

> jkm
>
> Have you looked at the select widget, it also has a multiple option.
>
> Tones
>
> On Thursday, 26 August 2021 at 21:26:28 UTC+10 [email protected] wrote:
>
>> I am able to use the radio widget to control my list filter.  Now I would 
>> like to use checkboxes in a multi-select manner (e.g., include any checked 
>> keywords:  Info, fix, Procedure).  However, I haven't seen an example of 
>> this yet.  My attempt
>>
>> ...
>>     <td>''KBA Type:''&ensp;
>>       <$checkbox tiddler="$:/temp/ktype" 
>> value="Procedure">&nbsp;Procedure</$checkbox>&ensp;
>>       <$checkbox tiddler="$:/temp/ktype" 
>> value="Info">&nbsp;Info</$checkbox>&ensp;
>>       <$checkbox tiddler="$:/temp/ktype" 
>> value="Fix">&nbsp;Fix</$checkbox>&ensp;  
>>     </td>
>> ...
>> <$list filter="[tag[KBA]ktype{$:/temp/ktype}]">
>>
>> I think I expected all selected items to be handled in the same temp 
>> tiddler but maybe I'm overwriting it each time I check/uncheck.  Do I need 
>> to create a temp tiddler for each and work out the list filter logic 
>> manually in a sequence of separate runs?   
>>
>> Not sure it's relevant, but I will be wanting to use this to filter on 
>> values in a field.  That field may contain a single string or list of 
>> strings (examples: *Info *or *Fix Procedure* or *Fix Info*).  Ultimately 
>> I would like to derive the list of checkboxes from a field within all 
>> tiddlers with a specific tag.  Like a "tag" based search engine except they 
>> are not TW tags, they are just tags derived from the tiddler field.  But, 
>> baby steps (assuming it's possible/practical).
>>
>

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