> ## Documentation Index
> Fetch the complete documentation index at: https://docs-classic.cognigy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Service Overview

Service Nodes are used to:

* Serve as connectors to APIs and databases. They assist in tasks such as accessing your user database to enhance the customization of your Flow.
* Help to operate Flows that include handover logic.

> [card] [Add Transcript Step](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/add-transcript-step.md)
>
> The Add Transcript Step Node adds a step for one of the conversation actors to simulate an input or output.

> [card] [Check Agent Availability](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/check-agent-availability.md)
>
> The Check Agent Availability Node checks and reports the availability of agents with specific skills, or suggest an alternative response.

> [card] [Close Handover](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/close-handover.md)
>
> The Close Handover Node closes the handover conversation on the handover provider side and returns the user to the AI Agent.

> [card] [Get Token](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/get-token.md)
>
> The Get Token Node triggers Microsoft SSO authentication for an Azure Bot Services OAuth connection.

> [card] [Get Transcript](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/get-transcript.md)
>
> The Get Transcript Node lets you receive a real-time conversation transcript and store the result in the [Input](https://docs-classic.cognigy.com/ai/agents/develop/ai-agent-memory/input.md) or [Context](https://docs-classic.cognigy.com/ai/agents/develop/ai-agent-memory/context.md) object.

> [card] [Handover to Human Agent](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/handover-to-agent.md)
>
> With the Handover to Human Agent Node, AI Agents can hand transfer conversations to human agents in contact centers.

> [card] [HTTP Request](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/http-request.md)
>
> The HTTP Request Node executes HTTP requests to other interfaces (APIs).

> [card] [Invalidate Token](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/invalidate-token.md)
>
> The Invalidate Token Node signs the user out of an Azure Bot Services OAuth connection and deletes the stored token.

> [card] [LLM Prompt](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/llm-prompt.md)
>
> This Node combines the capabilities of the AI Agent Node with support for tools, image recognition, and conversation transcripts.

> [card] [MongoDB Nodes](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/mongo-db.md)
>
> A built-in MongoDB connector that you can use directly in the Flow. Includes different operations for MongoDB.

> [card] [Microsoft SQL Nodes](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/ms-sql.md)
>
> A built-in Microsoft SQL connector that you can use directly in the Flow. Includes different operations for Microsoft SQL.

> [card] [Set Handover Inactivity](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/set-handover-inactivity.md)
>
> The Set Handover Inactivity Node detects and handles user inactivity, freeing up capacity for the human agent team.

> [card] [Token Status](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/token-status.md)
>
> The Token Status Node checks whether a valid Microsoft SSO token exists for an Azure Bot Services OAuth connection, and branches the Flow into Granted or Not Granted child Nodes for further execution.

> [card] [Trigger Function](https://docs-classic.cognigy.com/ai/agents/develop/node-reference/service/trigger-function.md)
>
> Use the Trigger Function Node to execute a [Function](https://docs-classic.cognigy.com/ai/for-developers/functions.md).


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