code: def _to_tensor(self):
      softmax = zlayers.Activation("softmax")
      return softmax(self.model_inputs[0].zvalue)
  
imports: from zoo.pipeline.api.onnx.mapper.operator_mapper import OperatorMapper
  from zoo.pipeline.api.onnx.onnx_helper import OnnxHelper
  import zoo.pipeline.api.keras.layers
label_desc: Use image node_id 2 for calling the SoftmaxMapper obj's underlying member method code with example usage: obj._to_tensor() and returns: softmax