code: def pass_outputs_v1(self):
      
      der = self.parameters.derived.fastaccess
      flu = self.sequences.fluxes.fastaccess
      out = self.sequences.outlets.fastaccess
      for bdx in range(der.nmbbranches):
          out.branched[bdx][0] += flu.outputs[bdx]
docs: Updates |Branched| based on |Outputs|.