---
title: "SimulationRun"
description: "the one evaluator run over sampled inputs to give a frame its intervals; deterministic under its seed; stops at its budget with the interval it reached"
section: concepts
address: /concepts/simulationrun
contract: 0476e35e6e275db5
---

# SimulationRun

the one evaluator run over sampled inputs to give a frame its intervals; deterministic under its seed; stops at its budget with the interval it reached

[figure: SimulationRun is a work at platform scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | work |
| scope | platform |
| key | the model version, the inputs hash and the sample count |
| store | postgres |
| family | market |



## Fields


| field | type | required | note |
|---|---|---|---|
| `business_model` | `id` | yes |  |
| `model_version` | `count` | yes |  |
| `inputs_hash` | `hash` | yes |  |
| `samples` | `count` | yes |  |
| `seed` | `count` | yes |  |
| `level` | `share` | yes | the level of the intervals reported |
| `outputs` | `{text:json}` | no | each output as an Interval, by name |
| `elapsed_ms` | `count` | no |  |
| `reason` | `text` | no | why it stopped early or failed |



## Routes that use it
No route takes or returns SimulationRun directly. The record holds it, and the objects that point at it reach it.