'how to write exists function in FL solr

I want to know that the value lies in the mentioned range or not, so I am trying to use the exists in FL as shown below, but it is not working can anyone guide me

fl=value:exists(query(temp_close_timing:[2022-03-10T17:34:14.866958 TO 2022-03-10T17:34:14.866958]))

This is daterange field



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