---
title: "Sampling Rule"
slug: "sampling-rule"
updated: 2023-11-02T11:16:17Z
published: 2023-11-02T11:16:17Z
canonical: "documentation.decisions.com/sampling-rule"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://documentation.decisions.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Sampling Rule

| ## Step Details |
| --- |
| **Introduced in Version** | 4.0.0 |
| **Last Modified in Version** | 8.16.0 |
| **Modification Details** | Moved the location of Step from **Designer Entities > Rules** to **Data > Rules**. |
| **Step Location** | Data > Rules |

The **Sampling Rule** step works similarly to the [Random Rule Step](https://documentation.decisions.com/step-library/docs/random-rule) and outputs a true/false path randomly with a percentage input to alter the odds of the value evaluating true.

---

## Properties

#### Inputs

| Property | Description | Data Type |
| --- | --- | --- |
| Percent True | Set how often the random Rule will return true. | Int32 |
| Sample Key | Unique identifier for associated uses. | String |

#### ![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1698918877226.png)

---

## Feature Changes

| Description | Version | Developer Task |
| --- | --- | --- |
| Moved the location of Step from **Designer Entities > Rules** to **Data > Rules**. | [8.16](https://documentation.decisions.com/v99/docs/version-8x) | [DT-037337] |