We can select the shot path in the user interface. The shot folder has to contain a folder named render_out.
Press the Auto Comp button To automatically generate the composition graph nodes.
Visualize the layer of the selected shot
Select layers and press the Shuffle selected layer button to generate the shuffled layer.
Select a Read in the graph node then select all the channels that have to be shuffled in the list then press Shuffle selected channels button
Visualize the version of each layer in the scene. Update to the last version by selecting the layers that have to be shuffled and pressing the Update selected read nodes button