> ## Documentation Index
> Fetch the complete documentation index at: https://cometchat-22654f5b-docs-llms-scoped-indexes.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Properties and Constraints

> Review CometChat AI Moderation API properties and constraints for rules, keywords, blocked messages, and flagged messages.

Properties and constraints for the AI Moderation APIs.

## Rules

| **Property** | **Constraints** |
| - | - |
| Maximum rules per app | Contact support for limits |
| Rule name | Max 100 characters |

## Keywords

| **Property** | **Constraints** |
| - | - |
| Keyword value | Max 100 characters |
| Maximum keywords per rule | Contact support for limits |

## Blocked Messages

| **Property** | **Constraints** |
| - | - |
| Message retention | Blocked messages are retained until reviewed or approved |


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