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url: >-
  /flow/guide/administering-flow/configuring-flow/common-dialogs/parameter-editor.md
---

# Parameter Editor

The parameter editor is used for creating and editing custom parameters against Maps.

![](/flow/images/parameter-editor.jpg)

### Fields

| Field Name | Description |
|---|---|
| [Description](#description) | A friendly name for the Parameter |
| Code | A unique code for the Parameter. Flow will not allow you to create another parameter on the same Map with the same code. |
| Type | Select the data type of the Parameter |
| Value | Enter the value of the Parameter. The field will display an editor appropriate to the data type selected. |

## Details

### Description {#description}

A friendly name for the Parameter. This is the name that the Parameter will be known as throughout the configuration. You should enter something meaningful to help you recognise the Parameter.