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AVEVA™ Historian

Edit an expression

  • Last UpdatedJan 25, 2024
  • 1 minute read

You can edit an expression after you have added it to your chart.

To edit an expression:

  1. In the legend area of your chart, locate the expression you wish to edit and select its Edit Expression icon . The Edit Expression dialog displays.

    Edit expression window.

  2. Modify the expression by editing the text in the Expression field.

  3. A unique Alias for the expression is automatically created when you first add the expression to your chart. Update the text in the Alias field to change the expression's alias.

  4. Select SAVE to update the expression with your changes, or CANCEL to keep the original values.

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