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## 5.2.5 Modifying Blueprints

Use Blueprint Designer to modify the columns in a blueprint.

- About Blueprint Designer
  You can access Blueprint Designer by clicking the name of a blueprint on the Data Generator home page.
- Modifying Blueprint Table and Column Attributes
  Select a table or column in Blueprint Designer to view and update its attributes.
- Adding and Deleting Tables and Columns
  Use the context menu in the file tree of Blueprint Designer to add or remove tables and columns.
- Saving Blueprints
  You must save your changes in Blueprint Designer before exiting. Changes do not save automatically.

Parent topic: Using Data Generator