# Using a File from the Repository

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### Using a File from the Repository

You can submit batches that use files from the repository as their inputs. A file can be referenced using the full file object ID or the file object path. A file object path starts with '@' and concatenates the container and the object name with a '/' separator. For example, if the object was uploaded in the container examples/app1 with name model.mps, you can reference it using:

   @examples/app1/model.mps


One possible use of the file repository is to submit several batches that solve the same model using different parameters:

grbcluster batch solve @training/glass4.mps ResultFile=solution.sol Threads=2