# ProposalDecisionRequest

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

Exactly one of: <code>object</code>; <code>object</code> — Discriminator: <code>decision</code>

| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| <code>oneOf&#91;1&#93;.decision</code> | Yes | Constant <code>APPROVE</code> | — |
| <code>oneOf&#91;1&#93;.evidenceHash</code> | Yes | [Hash](/api-reference/schemas/hash/) | — |
| <code>oneOf&#91;1&#93;.reason</code> | Yes | <code>string</code> | Min length: <code>3</code>; Max length: <code>500</code> |
| <code>oneOf&#91;2&#93;.decision</code> | Yes | Constant <code>REJECT</code> | — |
| <code>oneOf&#91;2&#93;.rejectionReason</code> | Yes | <code>string</code> | Min length: <code>10</code>; Max length: <code>2000</code> |
| <code>oneOf&#91;2&#93;.evidenceHash</code> | No | [Hash](/api-reference/schemas/hash/) | — |
| <code>oneOf&#91;2&#93;.reason</code> | Yes | <code>string</code> | Min length: <code>3</code>; Max length: <code>500</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/ProposalDecisionRequest</code> in the [OpenAPI contract](/openapi/liquidity-operating-system-v2.openapi.json).