> For the complete documentation index, see [llms.txt](https://dataqueue.gitbook.io/voicehub-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage.md).

# Agent Design and Usage

- [Pathway Basic Nodes](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/pathway-nodes.md): The goal of this overview page is to provide details on the notion of basic nodes in voicehub.
- [Pathway Action Nodes](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/pathway-action-nodes.md): The goal of this overview page is to provide details on the notion of action nodes in voicehub.
- [Pathway Edges](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/pathway-edges.md)
- [Pathway Variables](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/built-in-variables.md): These built-in variables are automatically available in every call. They are populated at the start of the call and can be used anywhere in your flow for routing, logic, prompts, or conditions.
- [Assign Phone Numbers](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/assign-phone-numbers.md)
- [Web Widget](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/embed-with-web-widget.md)
- [Call Control](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/call-control.md)
- [Knowledge Base](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/upload-knowledge-base.md): This page explains how to add knowledge base documents to your agent
- [Test & Monitor](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/test-and-monitor.md)
- [Prompt Design](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/prompt-design.md)
- [Provider Keys (Custom Mode Only)](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/provider-keys-custom-mode-only.md)
- [Permissions](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/permissions.md): This page documents all available permissions in the platform and the actions they authorize.
- [QA Testing](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/qa-testing.md)
- [Unified Dashboard](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/unified-dashboard.md)
- [Phonebook](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/phonebook.md)
- [Analyze Past Calls (CallStudio)](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/analyze-past-calls-callstudio.md)
- [Custom Analysis Fields](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/custom_analysis_fields.md)
- [Calculated Fields](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/calculated-fields.md)
- [White Labeling](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/white-labeling.md)
- [Team & Permissions](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/team-and-permissions.md)
- [Avatar Calls](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/avatar-calls.md)
- [Pathway Versioning](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/pathway-versioning.md)
- [Dictionary](https://dataqueue.gitbook.io/voicehub-docs/agent-design-and-usage/dictionary.md)