> For the complete documentation index, see [llms.txt](https://docs.alemba.com/asm-hermes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.alemba.com/asm-hermes/use-asm/using-asm-core/using-ipk-workflow-rules/part-2-defining-workflow-criteria-rules/defining-call-fields-for-ipk-rules.md).

# Defining Call Fields for IPK Rules

The Call Fields for IPK Rules window enables you select IPK fields that you want to include while defining rules. Call system and custom fields are available for selection.

1. Select menu and then **Admin**. From the submenu, select **IPK Workflow Rules**. The IPK Workflow Rules window appears. 
2. From the **IPK Workflow Rules** group, select **Call Fields for IPK Rules**. 
3. The **Call Fields for IPK Rules** window appears. This window shows a browse table that lists the display name and system field name for all the IPK fields. It also displays a column called **Available** with checkboxes for each field row.
4. To include a field, select the checkbox in the **Available** column.
5. Save your changes.