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Dynamic topic redirection

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Posted on by cvallabh

Hi there,

My team has recently started using Microsoft PVA to create a chatbot. The chatbot is quite complicated and results in very large topics, both vertically and horizontally. Having dynamic topic redirection functionality will be a massive help in solving this. Instead of having multiple topic redirects based on a conditional statement, we could use a single topic redirect which redirects to a topic specified by a variable value.

I have tried to get this to work using the code editor. The original topic is shown below:

kind: AdaptiveDialog
beginDialog:
 kind: OnRecognizedIntent
 id: main
 intent:
 displayName: temp_main
 triggerQueries:
 - test dynamic redirect

 actions:
 - kind: SetVariable
 id: setVariable_DO3Gz4
 variable: Topic.TopicName
 value: temp_1

 - kind: BeginDialog
 id: zyOpb8
 dialog: cr585_bOServiceBot.topic.temp_1

Now to dynamically redirect to the topic specified by the variable "TopicName", I tried to modify the redirect block as follows:

 - kind: BeginDialog
 id: zyOpb8
 dialog: cr585_bOServiceBot.topic.${Topic.TopicName}

However, this (and other similar attempts) causes an error when saving and when testing the chatbot. Is there any work-around for this? Or is there a plan to introduce dynamic topic redirect functionality to PVA?

Any help or information on this would be greatly appreciated.

Thanks!

cvallabh

Categories:

Topic creation & management

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HenryJammes on at

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Hi @cvallabh

I love this idea, and this is also something I had suggested internally.
To help get this prioritized, can you please submit a feature request here?
https://aka.ms/PVAFeatureRequest

Cc. @GaryPrettyMsft

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cvallabh 2 on at

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Thanks @HenryJammes , I have submitted the idea!

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wswitzer 74 on at

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Did this ever get looked at/implemented in any way?

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HenryJammes on at

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No, but let me check again.

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HenryJammes on at

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@wswitzer - I saw the feature request, but it doesn't have any detail on the customer who would benefit from it or the business impact, is there any chance you can add more color to this? Not debating the usefulness of this, but feature requests are often prioritized based on business impact and number and size of the requesting customers.

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HenryJammes on at

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Actually @wswitzer, @cvallabh, I've learned that dynamic redirects are already possible, but you have to use the code editor view for this. We're looking to see if this can be added to the UX as well.

Here's an example where I go to a different topic based on a variable value:

In the code editor, in the dialog property, can use a Power Fx formula to define the topic to trigger:

kind: AdaptiveDialog beginDialog: kind: OnRecognizedIntent id: main intent: triggerQueries: - Dynamic redirects actions: - kind: SetVariable id: setVariable_7bgfoP variable: Topic.MyVariable value: =RandBetween(0,4) - kind: BeginDialog id: A4lDAn dialog: |- =Switch( Topic.MyVariable, 1, "cat_MyBot.topic.Lesson1", 2, "cat_MyBot.topic.Lesson2", 3, "cat_MyBot.topic.Lesson3", "cat_MyBot.topic.Fallback" )

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wswitzer 74 on at

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Thanks @HenryJammes . I finally just set this up right now and it works perfectly for my usecase. I'm also wondering if it's possible to dynamically change a variable in this way.

This code doesn't work

- kind: SetVariable id: setVariable_98I9xi variable: |- =Switch( Topic.redirectTo, "upset", Global.Upset, "emotion", Global.Emotion, "crc5c_forgivenessAiDemo_WyZVYd.topic.Fallback" ) value: =Topic.userInput

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DanNewton 40 on at

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Hi @HenryJammes,

Do you happen to know if this workaround has been removed or is no longer functional?

As of December 2024, I’m consistently running into errors with topic validation whenever I try to apply this workaround, which is now blocking publishing entirely. Despite testing various syntax formats, the issue remains unresolved. Our requirement is to use a Power Automate Action and/or HTTP call to dynamically determine the next topic for the user, as using a condition isn't feasible given the approximately 40 possible outcomes.

Would be great to hear your thoughts.

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