How to extract embeddings from a specific layer

[shakeel608]

And How to specify a particular layer for feature extraction in

feature, _ = model.extract_finetune(source={'video': frames, 'audio': None}, padding_mask=None, output_layer=None)
What should be passed to output_layer to have specific layer features

because I tried to pass any number and it accepted any number. I just want to confirm what should we pass to output_layer so that I extract embeddings from a specific layer