Limit selection to webhook-returned values

[Sam Rastin]

I'm designing a proof of concept using the Dialogflow CX UI. In one of my fulfillments, a webhook call fetches a list of names. The user is given the option to pick one of those names however since the list is dynamic I'm not sure how to limit the user to pick one of the returned names.

I can't create an entity type ahead of time and train the model to restrict the user's choice. What options do I have in making sure the user can only pick one of the names returned by the webhook call?

[Jessica Carolina Rodriguez]

You might consider using a custom payload depending on the Integration you’re using. For text input, you can use a suggestion chips response type with the list of “names” of clickable suggestion chips. 

Note that if you are using a custom integration, you would have to implement it on your own.

Here’s a sample I have tested using the available text-based integration which is Dialogflow CX Messenger.

In your webhook response, you can return a custom payload and follow the format of the custom payload in the suggestion chip response type for Dialogflow CX Messenger.

See screenshot below of the test I made in Dialogflow CX Messenger:

When you select “Jess” from the option, it will give the following response:

Note that the suggestion chips or any rich responses will not show in the Dialogflow Console’s Simulator, instead you can only see the JSON response when you expand the custom payload tag in the Agent’s response. See below for reference:

[Allen Firstenberg]

It sounds like you want Session Entities. This lets you create an Entity Type that you use in your model, but in your webhook you can update the possible values for this just for this user session.

So in this case you might have a "Names" type which your webhook would add the appropriate names to.

On Mon, Apr 12, 2021 at 3:59 PM Sam Rastin <sra...@gmail.com> wrote:

I'm designing a proof of concept using the Dialogflow CX UI. In one of my fulfillments, a webhook call fetches a list of names. The user is given the option to pick one of those names however since the list is dynamic I'm not sure how to limit the user to pick one of the returned names.

I can't create an entity type ahead of time and train the model to restrict the user's choice. What options do I have in making sure the user can only pick one of the names returned by the webhook call?

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[Sam Rastin]

Greatly appreciate both recommendations. Thank you.