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url: >-
  /statelake/administering-statelake/designer/map/parameters-tab-map/edit-parameter-parameters-tab-map.md
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# Edit Parameter - Parameters Tab (Map)

To edit a **Parameter**, highlight the appropriate line in the **Parameter** list pane.

With the **Parameter** highlighted, right-click anywhere along the line and a pop-up box with **New** and **Edit** will appear.

If there are no current parameters on the **Map**, then you will receive an error.

If there are current parameters on the **Map**, but none are highlighted and you select **Edit**, you will receive an error.

Select **Edit** to bring up and open the selected **Parameter** in an editing window.

## Fields

| Field Name | Description |
|---|---|
| Code | The **ID** name of the field. Forced to uppercase. |
| Description | Description of the field supplied in the **Code** field. Tab into this field to erase the prompt, else your description will be amended to the end of the prompt. |
| Type | Field type such as string or integer. Select from the available drop-down list. |
| Value | The value assigned to the field, as specified in the **Code**. |

## Buttons

| Button Name | Description |
|---|---|
| OK | Click **OK** to **Save**. |
| Cancel | Click to **Cancel** the addition. |

You can also **Edit** a **Parameter** value directly - but only the value.

When you click on the **Parameter** and highlight the line, the value field is able to be edited directly from the **Parameter** list pane.

All other fields for that **Parameter** however, cannot be edited in this direct way,