code: def setidd(cls, iddinfo, iddindex, block, idd_version):
          
          cls.idd_info = iddinfo
          cls.block = block
          cls.idd_index = iddindex
          cls.idd_version = idd_version
docs: Set the IDD to be used by eppy.
  
          Parameters
          ----------
          iddinfo : list
              Comments and metadata about fields in the IDD.
          block : list
              Field names in the IDD.