# MigrationPlanExecutionState

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

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

| Field | Required at this level | Type | Description and constraints |
| --- | --- | --- | --- |
| <code>stateMachineVersion</code> | Yes | Constant <code>liquidity-migration-state-v1</code> | — |
| <code>status</code> | Yes | <code>string</code> | Allowed: <code>READY</code>, <code>IN&#95;PROGRESS</code>, <code>COMPLETED</code>, <code>ABORTED&#95;RECONCILED</code>, <code>ROLLBACK&#95;READY</code>, <code>ROLLING&#95;BACK</code>, <code>ROLLED&#95;BACK</code>, <code>FAILED&#95;CLOSED</code> |
| <code>forwardLegs</code> | Yes | Array of <code>object</code> | — |
| <code>forwardLegs&#91;&#93;.legId</code> | Yes | <code>string</code> | — |
| <code>forwardLegs&#91;&#93;.route</code> | Yes | <code>string</code> | Allowed: <code>FORWARD</code>, <code>ROLLBACK</code> |
| <code>forwardLegs&#91;&#93;.status</code> | Yes | <code>string</code> | Allowed: <code>BLOCKED</code>, <code>READY</code>, <code>SUBMITTED</code>, <code>FINALIZED&#95;RECONCILED</code>, <code>FAILED&#95;FINALIZED&#95;RECONCILED</code>, <code>SKIPPED&#95;RECONCILED</code> |
| <code>forwardLegs&#91;&#93;.lastTransitionSequence</code> | No | <code>integer</code> | Minimum: <code>1</code> |
| <code>rollbackLegs</code> | Yes | Array of <code>object</code> | — |
| <code>rollbackLegs&#91;&#93;.legId</code> | Yes | <code>string</code> | — |
| <code>rollbackLegs&#91;&#93;.route</code> | Yes | <code>string</code> | Allowed: <code>FORWARD</code>, <code>ROLLBACK</code> |
| <code>rollbackLegs&#91;&#93;.status</code> | Yes | <code>string</code> | Allowed: <code>BLOCKED</code>, <code>READY</code>, <code>SUBMITTED</code>, <code>FINALIZED&#95;RECONCILED</code>, <code>FAILED&#95;FINALIZED&#95;RECONCILED</code>, <code>SKIPPED&#95;RECONCILED</code> |
| <code>rollbackLegs&#91;&#93;.lastTransitionSequence</code> | No | <code>integer</code> | Minimum: <code>1</code> |
| <code>transitionCount</code> | Yes | <code>integer</code> | Minimum: <code>0</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/MigrationPlanExecutionState</code> in the [OpenAPI contract](/openapi/liquidity-operating-system-v2.openapi.json).