The filename for the rendered image of each layer can be customized using the workflow as follows.
         
         To name your render layers
         
         
            - From the , select the layer that you wish to name.
            
- Open the window ().
            
- Click on the  tab. Under the section, right-click the  attribute and select .
            
- Enter the desired filename for the selected render layer. 
               After the image is rendered, the image output for the selected layer will be saved under the filename as entered.