# layer

````
    description: 'layer layer for configurable component'
    ---

    # layer layer

    `layer` allows you to reference any layer defined in the rest of the network.

    ## arguments

        `layer_name` - The name of the layer to use

    ## Optional arguments

        `upsample` - If true, upsample the layer to the current size

    ## input size

    Any 4-d tensor

    ## output size

    if upsample true, the current input size
    otherwise the layer size

    ## syntax

    ```json
      "layer z"
    ```

    ## examples

    ```json

      "identity name=encoding",
      ...
      "add self (layer encoding upsample=true)"
    ```
````


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