---
title: "isGood"
description: "Tests to see whether or not the given value is good quality."
---

# isGood

> Tests to see whether or not the given value is good quality.

**This function is used by Ignition's Expression language.**

## Description

## Syntax

`isGood(value)`

### Parameters

| Type   | Parameter | Description                                |
|--------|-----------|--------------------------------------------|
| Object | `value`   | A value to check if its quality is good.   |

### Returns

**Boolean** - Returns true if the value's quality is good, or false if it is not.

## Examples

```python title="Code Snippet"
isGood({path/to/myTag}) //Returns True if the value's quality is good, False otherwise.
```