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I am searching for a solution to build and publish the AWS Lex bot via .NET SDK or via any other API.

Any help will be appreciated.

sepp2k
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Chirag Solanki
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1 Answers1

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I just recently developed a working Amazon Lex Chatbot using .NET SDK and one of the tools that helped a lot was the GitHub Repo that AWS maintains for C#. Do note that they use .NET core and not .NET framework.

Alternatively, if you want to use the REST API (which is what I did), you can go to the .NET documentation guide that Amazon also maintains. These REST API can be accessed via the Nuget package that you can get inside Visual Studio itself.

Arun Balasubramaniam
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  • Thanks Arun for your reply, I am able to create BOT, Intents and slots via .NET SDK provided by AWS Lex, but while creating version of the bot i am getting error as "Resource 'Intent_Name' should refer to immutable versions to create new version". So to solve this issue bot needs to be build first. I did not get the api to build the same. – Chirag Solanki Sep 11 '18 at 05:43
  • Hi Chirag, the API you want in this case is the PutBot request. You can refer to this [question](https://stackoverflow.com/questions/44441662/how-do-i-build-an-amazon-lex-bot-using-the-rest-api) on StackOverflow for more details on this. Source: [Amazon Lex Documentation](https://docs.aws.amazon.com/lex/latest/dg/API_PutBot.html#lex-PutBot-request-processBehavior) – Arun Balasubramaniam Sep 12 '18 at 00:14
  • Thank you very much, i am able to build my bot now by using PUTBOT request. But how will i know if my bot throws error. – Chirag Solanki Sep 18 '18 at 06:40
  • @Chirag The response you get from Lex will contain the error (if any) instead of your response message. (For C# the field name is lexResponse.Message where lexReponse is the object that you get after posting your request to the lexService). For a list of errors, you need to refer to the [Documentation](https://docs.aws.amazon.com/lex/latest/dg/API_PutBot.html#API_PutBot_Errors). I'm not sure how you're handling errors (since you didn't post any code) so I would suggest you track the Message field from the response to see if its an error or not. – Arun Balasubramaniam Sep 19 '18 at 00:09
  • Alternatively, you can also track the HTTP status code that is returned with the response. 200 means your request was successful, any other HTTP code that appears in the [Documentation](https://docs.aws.amazon.com/lex/latest/dg/API_PutBot.html#API_PutBot_Errors) would be that specific error. – Arun Balasubramaniam Sep 19 '18 at 00:11
  • Chirag or Arun... don't think that https://github.com/aws-samples/aws-lex-net-chatbot actually creates a chatbot, it just runs an existing one as far as I can tell. I want to create and deploy a chatbot using the SDK because I need to create a new one daily based on data from a database since it has to be fairly dynamic. Can you outline your approach to the REST API with .Net? Maybe is there sample code on line? – EdwardF Dec 11 '18 at 05:24
  • @EdwardF this may help you some : [One](https://stackoverflow.com/questions/48314916/is-it-possible-to-use-amazon-lex-to-build-a-chatbot-which-connects-with-database/48336077#48336077) of my previous answers where I explained how I did it with REST API. If you need more help, please ask a new question and I can try to answer there. – Arun Balasubramaniam Dec 11 '18 at 09:17