code: def create_committee_member(self, url="", account=None, **kwargs):
          
          if not account:
              if "default_account" in self.config:
                  account = self.config["default_account"]
          if not account:
              raise ValueError("You need to provide an account")
          account = Account(account, blockchain_instance=self)
  
          op = operations.Committee_member_create(
              **{
                  "fee": {"amount": 0, "asset_id": "1.3.0"},
                  "committee_member_account": account["id"],
                  "url": url,
              }
          )
          return self.finalizeOp(op, account, "active", **kwargs)
docs: Create a committee member
  
              :param str url: URL to read more about the worker
              :param str account: (optional) the account to allow access
                  to (defaults to ``default_account``)