# AgentActivityEvent

[All API schemas](/api-reference/schemas/)

<code>object</code> — Additional properties rejected

| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| <code>sequence</code> | Yes | <code>string</code> | Exact decimal sequence; do not coerce to a JavaScript number. Pattern: <code>^&#40;0&#124;&#91;1-9&#93;&#91;0-9&#93;{0,18}&#41;$</code> |
| <code>kind</code> | Yes | <code>string</code> | Allowed: <code>RUN&#95;STATE</code>, <code>STEP&#95;STATE</code> |
| <code>state</code> | Yes | <code>string</code> | Allowed: <code>QUEUED</code>, <code>RUNNING</code>, <code>WAITING&#95;FOR&#95;INPUT</code>, <code>WAITING&#95;FOR&#95;CHILDREN</code>, <code>COMPLETED</code>, <code>PARTIAL</code>, <code>ABSTAINED</code>, <code>FAILED</code>, <code>CANCELLED</code> |
| <code>phase</code> | Yes | <code>string</code> | Allowed: <code>ADMITTED</code>, <code>CAPTURING&#95;EVIDENCE</code>, <code>CHECKING&#95;SOURCES</code>, <code>COMPARING&#95;EVIDENCE</code>, <code>PLANNING</code>, <code>READING&#95;EVIDENCE</code>, <code>WAITING&#95;FOR&#95;INPUT</code>, <code>WAITING&#95;FOR&#95;STUDIES</code>, <code>VALIDATING&#95;REPORT</code>, <code>FINISHED</code> |
| <code>stepSequence</code> | Yes | At least one of: <code>integer</code>; <code>null</code> | — |
| <code>stepKind</code> | Yes | At least one of: <code>string</code>; <code>null</code> | — |
| <code>stepState</code> | Yes | At least one of: <code>string</code>; <code>null</code> | — |
| <code>occurredAt</code> | Yes | <code>string</code> | Format: <code>date-time</code> |

Nested required fields apply when their parent object or matching union branch is present. Named types link to their complete schema.

Exact definition: <code>#/components/schemas/AgentActivityEvent</code> in the [OpenAPI contract](/openapi/liquidity-operating-system-v2.openapi.json).