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Developing requirements > NX design and validation requirements

Create an NX design requirement

Procedure

  1. Select the node where you want to create the design requirement at the next lower level, and do one of the following:

    • Choose File→New→Requirement.
    • Click the Create a new requirement button on the toolbar.

    Note: You can also create a design requirement from the Quick Create bar in the Requirements view.

  2. In the Requirement Type dialog box of the New Requirement wizard, select Design Requirement and click Next.

  3. In the Requirement Information dialog box, enter the following information for the new requirement.

Field name Definition Valid values
Description Description of the requirement. Text typed into this box becomes the initial body of the requirement. Alphanumeric (1–240 characters)
Name Name of the requirement (required). Alphanumeric (1–128 characters)
Requirement ID Requirement ID (required). To fill in the Requirement ID box automatically, leave it empty or click the Assign button. Systems Engineering inserts the next identifier in the sequence and the current revision. The prefix REQ- precedes the identifier. (The default prefix is set by the Default Requirement ID Rule naming rule.) Alphanumeric (1–128 characters)
Unit of Measure Unit of measure for the requirement. Not valid for a design requirement.
  1. In the Design Requirement Revision dialog box, enter a revision for the requirement and click Next. You can leave the Revision box blank or click the Assign button to have Systems Engineering automatically create the next revision number.
  2. In the Define Variables dialog box, click the button to create a new variable.
  3. Enter the variable information. You can continue to click the button and enter the variable information until you have added all of the variables that you need for the design requirement.
  4. Click Finish.

The new requirement is created and occupies the last position at the selected level.

You can click Close to close the New Requirement wizard, or repeat steps 2 through 7 to create another requirement.

(Optional) Edit the content of the requirement specification in either the MS Word view or in a separate Word window.

Related Topics

  • Use the Quick Create bar
  • Autoname requirements
  • Edit requirement content in the MS Word view
  • Edit requirement content in a separate Word window

Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.plm00038/xid455288 · retrieved Fri Jul 10 2026 00:00:00 GMT+0000 (Coordinated Universal Time)