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url: /statelake/administering-statelake/designer/global-setup/parameters.md
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# Parameters

To create new **Parameters** for the configuration, right-click on **Parameters** and click **New**.

::: info
These **Parameters** will be available globally across any **Map** within the configuration.
:::

**Global Parameters** are held in parameter groups, as illustrated below by the default window name of **New Parameter Group**.

The **Parameter Group** links associated **Parameters** together. For instance, a group given the name “**EmailParams**” could contain parameters related to emails - and as such could include parameters called “**EMAIL_ACCOUNTS**” and “**EMAIL_SALES**”, with a different set of values held for each **Parameter**.

As an example, when the field ACCNO in the table SALESORD_HDR is referenced in a script, the script could read **SALESORD_HDR\[“ACCNO”].Value**. In a **Map** script to reference a global **Parameter** that has been linked to a group, the format is the same.

Within a script, a global **Parameter** is identified and called in a **Map** script, it is identified with the fieldname prefix of P\_, such as P\_\<field name>. Where a script references this field, the value entered in the **Parameter** will always be used, In a script, these global **Parameters** appear in the global **Parameter** window.

So to reference the global **Parameter** called “EMAIL_ACCOUNTS” within the “EmailParams” group, the script could contain **P\_EmailParams\[“EMAIL_ACCOUNTS”].Value**.

## Fields

| Field Name | Description |
|---|---|
| Group Name | A friendly and obvious name for the parameters contained within this group. The group would hold parameters that are connected in some way, such as the type of parameter. |
| Current Setup | This displays the **Service Type** that was selected to be used on the **General Tab** of the **Global Setup**. |

## Buttons

| Button Name | Description |
|---|---|
| Save | Click to **Save** any changes you have made. All changes will be lost if you do not click the **Save** button. |
| Cancel | Click to **Cancel** any changes you have made |
| Delete | Click to **Delete** this **Parameter Group**. You will be asked to confirm your choice. |
| Add | Add a new **Parameter** to this **Parameter Group**. |

Any Parameters (Parameter Group) created will be listed under this section on the tree structure. Expand the window as required to display all columns.

The following example illustrates the existence of parameters for a **Parameter Group** named **Heartbeat**.