Task List does not return any documents-1547832106

I have created this task list and when I added the PO Amount to it, no documents get returned, is my syntax incorrect?

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Hello John,

please try >"249.99".

For usage of the WebClient search functions, refer to http://help.docuware.com/en/#b57855t51012n87331

Greetings from Germany,
Simon H. Hellmann
DocuWare System Consultant