Build a webhook for iterative confirmation of spoken sequences
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This tutorial walks through building a flow for collecting long digit and
alphanumeric sequences where the end-user can speak a few characters at a time.
A webhook allows you to validate and confirm the sequence one section at a time,
making it easy for end-users to correct the agent when it mishears "BVP" as "BBV",
for example.
The lessons in the tutorial include:
Using regexp entities with auto speech adaptation.
Building webhooks to loop slot-filling.
Using contexts to carry data between intents.
The final interaction will behave like this:
Participant
Dialog
End-user
Check my order.
Agent
What is your sequence? Please pause after a few characters so I can confirm as we go.
End-user
12ABC
Agent
12ABC. Okay, continue.
End-user
34DE
Agent
12ABC34BE. Okay, continue.
End-user
No that's not right.
Agent
Let's try again. What comes after 12ABC ?
End-user
34DE
Agent
12ABC34DE. Okay, continue.
End-user
That's it.
Finally, the webhook validates the full sequence and proceeeds with the rest of your flow.
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