--- title: Add an FX Currency field to a table description: Before using and configuring an FX Currency field, you first add it an existing table, or to a new one, in System Definition Tables. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-administration/currency-administration/add-fx-currency-field-table.html release: australia product: Currency Administration classification: currency-administration topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Defaults required for FX Currency use, Configure, Currency administration, Configure core features, Administer the ServiceNow AI Platform] --- # Add an FX Currency field to a table Before using and configuring an FX Currency field, you first add it an existing table, or to a new one, in **System Definition** > **Tables.** ## Before you begin Role required: admin ## About this task For example, you create a new custom table, named `transactions`, that stores transactional information and contains an FX Currency field called `cost`. ## Procedure 1. Follow the normal procedures to add a table, or access an existing table. To learn more about creating and modifying tables in an instance, see [Create a table](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/table-administration-and-data-management/t_CreateATable.md). 2. In the **Columns** section, use the **Table Columns** embedded list to add columns to the table. 3. In the **Column label** field, enter the column name. For example, `cost`. 4. In the **Type** field, select **FX Currency** as the field type. \[Omitted image "fx-currency-table-field.png"\] Alt text: FX Currency field 5. As needed, enter other required parameters. **Note:** Do not change the **Max length** value for **FX Currency** in custom tables. **Max length** must be 32 \(default\). 6. Click **Submit**. **Parent Topic:**[Setting up defaults required for FX Currency use](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/currency-administration/setting-up-defaults-fx-currency-use.md) **Related topics** [Add conversion rates using a custom rate table]() [Configuring FX Currency global settings]() [Configuring FX Currency field behavior]() [Update a Currency Instance record]()