code: async function() {
      const oThis = this
      ;
      logger.step("** Starting BT proposal");
      logger.info("* Name:", oThis.btName, "Symbol:", oThis.btSymbol, "Conversion Factor:", oThis.btConversionFactor);
      const proposeBTObj = new proposeBrandedToken(
        {name: oThis.btName, symbol: oThis.btSymbol, conversion_factor: oThis.btConversionFactor}
      );
      const proposeBTResponse = await proposeBTObj.perform();
      if (proposeBTResponse.isFailure()) {
        logger.error("* Proposal failed with error:", proposeBTResponse);
        process.exit(1);
      }
      return Promise.resolve(proposeBTResponse);
    }
docs: Start the proposal of branded token
  
  @return {promise<result>}
  @private