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

# Custom Fields

> Creating custom contact properties and schema validation

# Custom Fields

*This page covers defining custom attributes, configuring AI auto-tagging rules, and auditing the unified activity timeline.*

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## Strongly Typed Custom Attributes

*Content coming soon.*

* Defining custom fields on contacts (`string`, `number`, `boolean`, `date`, `enum`)
* Reading and updating custom attributes via workflows and mid-call tools
* Form validation and schema constraints

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## AI Auto-Tagging Rules

*Content coming soon.*

* Automatic rule-based and LLM classifier tagging (`#vip`, `#churn_risk`, `#high_intent`, `#pricing_sensitive`)
* Applying tags based on sentiment score, keywords, and detected intent
* Triggering workflow automations when specific tags are attached

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## Unified Activity Timeline & Audit Feed

*Content coming soon.*

* Chronological event stream for each contact
* Embedded call recordings, wave forms, and full timestamped transcripts
* WhatsApp message history and interactive button click logs


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