# HealthAgentAdmissionRequest

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

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

| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| <code>kind</code> | Yes | Constant <code>HEALTH&#95;INVESTIGATION</code> | — |
| <code>question</code> | Yes | <code>string</code> | Min length: <code>3</code>; Max length: <code>2000</code> |
| <code>subject</code> | Yes | Exactly one of: <code>object</code>; <code>object</code> | — |
| <code>subject.oneOf&#91;1&#93;.vaultId</code> | Yes | <code>string</code> | Pattern: <code>^&#91;a-zA-Z0-9&#93;&#91;a-zA-Z0-9:&#95;-&#93;{2,159}$</code> |
| <code>subject.oneOf&#91;1&#93;.expectedVaultUpdatedAt</code> | Yes | <code>string</code> | Format: <code>date-time</code> |
| <code>subject.oneOf&#91;1&#93;.window</code> | Yes | <code>object</code> | Additional properties rejected |
| <code>subject.oneOf&#91;1&#93;.window.start</code> | Yes | <code>string</code> | Format: <code>date-time</code> |
| <code>subject.oneOf&#91;1&#93;.window.end</code> | Yes | <code>string</code> | Format: <code>date-time</code> |
| <code>subject.oneOf&#91;1&#93;.baselineWindow</code> | Yes | <code>object</code> | Additional properties rejected |
| <code>subject.oneOf&#91;1&#93;.baselineWindow.start</code> | Yes | <code>string</code> | Format: <code>date-time</code> |
| <code>subject.oneOf&#91;1&#93;.baselineWindow.end</code> | Yes | <code>string</code> | Format: <code>date-time</code> |
| <code>subject.oneOf&#91;2&#93;.type</code> | Yes | Constant <code>SAVED&#95;PUBLIC&#95;PROJECT</code> | — |
| <code>subject.oneOf&#91;2&#93;.projectId</code> | Yes | <code>string</code> | Pattern: <code>^project&#95;&#91;0-9a-f&#93;{32}$</code> |
| <code>subject.oneOf&#91;2&#93;.expectedResourceVersion</code> | Yes | <code>string</code> | Pattern: <code>^0x&#91;0-9a-f&#93;{64}$</code> |
| <code>subject.oneOf&#91;2&#93;.observationSequence</code> | Yes | <code>string</code> | Pattern: <code>^&#91;1-9&#93;&#91;0-9&#93;{0,17}$</code> |
| <code>subject.oneOf&#91;2&#93;.baselineSequence</code> | Yes | At least one of: <code>string</code>; <code>null</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/HealthAgentAdmissionRequest</code> in the [OpenAPI contract](/openapi/liquidity-operating-system-v2.openapi.json).