Initialize PVA variables from Directline API calls

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Posted on by QuiqBot

Hello,

I am working on a PVA bot integration that requires us to set variable values using the Direct Line API 3.0:

https://docs.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-direct-line-3-0-api-reference?view=azure-bot-service-4.0

In the documentation for setting variables it indicates query parameters can be used to set variable values from a custom canvas or a containing web page but I have not been able to get query parameters to work on any of the API endpoints (start conversation, generate token, or send activity).

https://docs.microsoft.com/en-us/power-virtual-agents/authoring-variables-bot#set-bot-variable-from-external-source

Is it possible to set variables from one of the HTTP post endpoints or is this not supported? Thanks,