code: def Pack(self, builder):
      if self.dvec is not None:
          if np is not None and type(self.dvec) is np.ndarray:
              dvec = builder.CreateNumpyVector(self.dvec)
          else:
              MonsterExtraStartDvecVector(builder, len(self.dvec))
              for i in reversed(range(len(self.dvec))):
                  builder.PrependFloat64(self.dvec[i])
              dvec = builder.EndVector()
      if self.fvec is not None:
          if np is not None and type(self.fvec) is np.ndarray:
              fvec = builder.CreateNumpyVector(self.fvec)
          else:
              MonsterExtraStartFvecVector(builder, len(self.fvec))
              for i in reversed(range(len(self.fvec))):
                  builder.PrependFloat32(self.fvec[i])
              fvec = builder.EndVector()
      MonsterExtraStart(builder)
      MonsterExtraAddD0(builder, self.d0)
      MonsterExtraAddD1(builder, self.d1)
      MonsterExtraAddD2(builder, self.d2)
      MonsterExtraAddD3(builder, self.d3)
      MonsterExtraAddF0(builder, self.f0)
      MonsterExtraAddF1(builder, self.f1)
      MonsterExtraAddF2(builder, self.f2)
      MonsterExtraAddF3(builder, self.f3)
      if self.dvec is not None:
          MonsterExtraAddDvec(builder, dvec)
      if self.fvec is not None:
          MonsterExtraAddFvec(builder, fvec)
      monsterExtra = MonsterExtraEnd(builder)
      return monsterExtra
  
imports: import flatbuffers
  from flatbuffers.compat import import_numpy
  from typing import Any
label_desc: Use image node_id 7 for calling the MonsterExtraT obj's underlying member method code with example usage: obj.Pack(builder) and returns: monsterExtra