Line breaks are not working in QnA Bot(Lex)

Line breaks not working in Amazon Lex QnA Bot responses is a common issue that developers face. Unfortunately, Lex does not natively support HTML formatting or line breaks in bot responses. However, there are a few workarounds you can try:

1. Use special characters: You can use special characters like "\n" to represent line breaks in your responses. When configuring your bot's answers, include "\n" where you want line breaks to appear. The client-side application receiving the bot's response will need to interpret these characters and render them as actual line breaks.

2. Custom formatting in client application: Instead of relying on Lex to handle formatting, you can send a plain text response from Lex and implement custom formatting in your client-side application. This approach gives you more control over how the response is displayed.

3. JSON responses: If your use case allows, you can structure your bot's responses as JSON objects. This allows you to include formatting information that your client application can interpret and render appropriately.

4. Markdown syntax: Some developers have had success using markdown syntax in their responses. For example, using double spaces at the end of a line to indicate a line break. Again, your client application would need to parse and render this markdown syntax.

5. Custom Lambda function: If you're using a Lambda function to process your bot's responses, you can implement custom logic to add formatting or line breaks before sending the response back to the user.

Remember that the effectiveness of these approaches may depend on how you're integrating Lex with your front-end application. You may need to experiment with different methods to find the one that works best for your specific use case.

If none of these workarounds are suitable for your needs, you could reach out to AWS support to inquire about potential future enhancements to Lex's text formatting capabilities.

[+] https://github.com/aws-samples/aws-lex-web-ui/tree/master/lex-web-ui#markdown-and-html-support