CoreBot

CoreBot

Demonstrates Microsoft.Teams.Core directly, without the higher-level apps layer. It is the most minimal sample in the repo and shows the raw bot/application wiring with almost no Teams-specific sugar.

Prerequisites

• A Teams bot registration and endpoint.

What it shows

• AddBotApplication() and UseBotApplication() for the bare Core SDK setup.
• Binding credentials from a custom configuration section (CustomAuth) instead of the default AzureAd section, via AddBotApplication("CustomAuth").
• OnActivity for direct activity handling.
• A reply built with CoreActivityInput and sent with ConversationClient.

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Configuration

Copy Properties/launchSettings.TEMPLATE.json to Properties/launchSettings.json and fill in the CustomAuth__* values. The section name is passed explicitly to AddBotApplication, so these keys must stay in sync with Program.cs:

{
  "CustomAuth": {
    "Instance": "https://login.microsoftonline.com/",
    "TenantId": "your-tenant-id",
    "ClientId": "your-client-id",
    "ClientCredentials": [
      { "SourceType": "ClientSecret", "ClientSecret": "your-client-secret" }
    ]
  }
}

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Behavior

Activity	Behavior
inbound message	Replies with the SDK version
root route	Returns a simple health text

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It is useful when you want to understand the raw activity pipeline, or when you need a foundation for a custom integration that does not want the higher-level Teams apps helpers.

Running the Sample

dotnet run --project samples/CoreBot/CoreBot.csproj

In Teams, exercise the commands/flows listed above to validate behavior.