# CreateResearchDecisionPack

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

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

| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| <code>projectId</code> | Yes | <code>string</code> | Pattern: <code>^project&#95;&#91;0-9a-f&#93;{32}$</code> |
| <code>observationSequence</code> | Yes | <code>string</code> | Pattern: <code>^&#91;1-9&#93;&#91;0-9&#93;{0,17}$</code> |
| <code>expectedProjectResourceVersion</code> | Yes | <code>string</code> | Pattern: <code>^0x&#91;0-9a-f&#93;{64}$</code> |
| <code>question</code> | Yes | <code>string</code> | Min length: <code>3</code>; Max length: <code>2000</code> |
| <code>assumptions</code> | Yes | Array of <code>string</code> | Max items: <code>10</code> |
| <code>researchRunId</code> | Yes | <code>string</code> | Pattern: <code>^&#91;a-zA-Z0-9&#93;&#91;a-zA-Z0-9:&#95;-&#93;{2,159}$</code> |
| <code>researchResultVersion</code> | Yes | <code>string</code> | Pattern: <code>^0x&#91;0-9a-f&#93;{64}$</code> |
| <code>expectedIssuerIntentResourceVersion</code> | Yes | <code>string</code> | Pattern: <code>^0x&#91;0-9a-f&#93;{64}$</code> |
| <code>selectedVariant</code> | Yes | <code>string</code> | Allowed: <code>CURRENT</code>, <code>RECOMMENDED</code>, <code>CONSERVATIVE</code>, <code>CAPITAL&#95;EFFICIENT</code>, <code>EMERGENCY</code> |
| <code>association</code> | Yes | Constant <code>USER&#95;SELECTED&#95;RESEARCH&#95;CONTEXT</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/CreateResearchDecisionPack</code> in the [OpenAPI contract](/openapi/liquidity-operating-system-v2.openapi.json).