Caml query to find document under folder

Question

Hello,

i have a document library which contains several folders like 'test1', 'test2', 'test3'. Under folders i have a document file 'document.docx'. I wanted to retrieve the 'TimeStamp' field of the document.docx via caml query. Below is the query i am trying.

   <ViewFields>
      <FieldRef Name='TimeStamp' />
   </ViewFields>
   <Where>
      <Eq>
         <FieldRef Name='FileLeafRef' />
         <Value Type='File'>test1</Value>
      </Eq>
   </Where>

Query is not returning the desired result. Any help would be really appricaited.