Hi, @sleepless-swan and @thelopyader . If you want to use 2 different BYOD sources in one bot, as you mentioned, you'll need to configure at least one of the sources on your own, and you'll likely want to trigger them from your topics instead of the default one.
What I recommend doing, though, is deploying a Power Virtual Agent for at least one of your data sources through the Azure OpenAI UI (as @HenryJammes mentioned), because at that point, you can look at the properties of the Generative Answers node in that bot's Conversational boosting Topic to see how it needs to be configured. As you mentioned, you don't get a dropdown of options - you have to specify everything - but this will show you what a set of working values looks like, and will make it much easier to add a 2nd (or 3rd,etc.)
Also, if you have trouble with the PVA deploy button in Azure OpenAI, you'll want to copy the entire url that is initially shown in the browser after you click it, and then replace the part of the url referencing your default environment and instead enter the GUID of the environment you want to use. Right now that UI won't let you pick the environment it deploys to but if you copy the url before it redirects to a new bot in the default environment, everything in it will be correct except for the environment part.
An example is:
Before:
https://web.powerva.microsoft.com/environments/~default/create/templates/azureopenai?azureSearchResourceId={rest omitted}
After:
https://web.powerva.microsoft.com/environments/{Guid of your Environment}/create/templates/azureopenai?azureSearchResourceId={rest omitted}
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Cheers,
Matt