code: public VoiceGrant setOutgoingApplication(
          String outgoingApplicationSid,
          Map<String, Object> outgoingApplicationParams
      ) {
          this.outgoingApplicationSid = outgoingApplicationSid;
          this.outgoingApplicationParams = outgoingApplicationParams;
          return this;
      }
docs: Set the outgoing application.
  
  @param  outgoingApplicationSid outgoing application sid
  @param  outgoingApplicationParams outgoing application parameters
  @return voice grant