HOW TO UPDATE FILE FOR PARTICULAR TEMPLATE NAME IN BOX?

Hi,

I want to update file for particular template name.  I have created template name  Test.  It has attribute Name,age.  I want to update file for particular template.

See the below code:

  BoxFile file = new BoxFile(api, "removed for privacy57");

   Metadata data= new Metadata();

   data.replace("/age", "35");

file.createMetadata("Test",data);

It is give Error  like

Exception in thread "main" com.box.sdk.BoxAPIException: The API returned an error code: 404

at com.box.sdk.BoxAPIResponse.(BoxAPIResponse.java:69)

at com.box.sdk.BoxJSONResponse.(BoxJSONResponse.java:30)

Please provide me update resuts.