Creating a chatbot with Amazon Lex, AWS Lambda, and Integrating with WhatsApp (Part 2).

Hope you enjoyed and followed part 1 carefully.

Now its time to create ChatBot using Amazon Lex.

Lets deep dive into it.

Step 2— Create a bot

• Go to services console, type lex and select Amazon Lex.
• select Get Started and then select Create.

• On the Create your Lex bot page, choose Custom bot.
• App name: ReferralBot
• Output voice: Salli
• Session timeout: 5 minutes.
• Keep the remaining fields as default ones and COPPA to No.
• Select Create.

Now, create the ReferralBot intent , an action that the user wants to perform, with the minimum information needed. You add slot types for the intent and then configure the intent later.

• In the Amazon Lex console choose Create new intent.
• In the Create intent dialogue box, type the name of the intent referralBotIntent, and then choose Add.

To create slot types

• In the left menu, choose the plus sign (+) next to Slot types.
• Select Slot type name — boolean
• Description — any info about it.
• Choose Restrict to Slot values and Synonyms
• Value —Type “yes”. Press tab and in the Synonym field type stuffed. Choose the plus sign (+). Type thin and then choose the plus sign (+) again.
• Choose Add slot to intent.
• On the Intent page, choose Required. Change the name of the slot from slotOne to boolean
• Change the prompt to Are you a student?
• Repeat the previous steps for creating other slot types and slots.
• Give some sample utterances. For this, you can give start so that all the slots which you entered will be asked in line.
• In Lambda initialization and validation Leave the default setting.
• In Confirmation prompt, you can Leave the default setting or provide a confirmation string.
• In Fulfillment Choose AWS Lambda function and select the earlier created ReferralProcessor lambda function.
• Choose ok to the Add permission to Lambda function dialog box
• Leave None selected.

Step 3 — Build and test the bot

• To build the ReferralBot bot, choose Build.
• It can take some time to complete the build.
• In the Test Bot window, start communicating with your Amazon Lex bot.
• After testing if your bot works fine click the publish button.
• Select Alias BETA.

Integrating with WhatsApp will be continued in next part.

Links to part 1 and part 3 are below.

Part 1: https://ravuri-poojitha123.medium.com/creating-a-chatbot-with-amazon-lex-aws-lambda-and-integrating-with-whatsapp-part-1-cabacecc0a1

Part 3: https://ravuri-poojitha123.medium.com/creating-a-chatbot-with-amazon-lex-aws-lambda-and-integrating-with-whatsapp-part-3-8fab2e5ec441