---
title: "BeatBudget"
description: "the beat's budget: the units a tick may evaluate and the definitions it may start; the rest wait for the next tick, oldest first, one tenant after another"
section: concepts
address: /concepts/beatbudget
contract: 0476e35e6e275db5
---

# BeatBudget

the beat's budget: the units a tick may evaluate and the definitions it may start; the rest wait for the next tick, oldest first, one tenant after another

[figure: BeatBudget is a value at none scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | value |
| scope | none |
| key | none |
| store | none |
| family | rules_engine |



## Fields


| field | type | required | note |
|---|---|---|---|
| `units` | `count` | yes |  |
| `definitions` | `count` | yes |  |



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