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1. In the calculation logic editing mode, click the 'Parameter Details' button button.
2. Add a new line.
   1. Enter the 'Parameter Name', which  which must exactly match the parameter defined in the logic.
   2. In 'Format', specify the number of decimals that will be displayed in the user input field, e.g., ##.0000 for four decimals.
3. Click 'Apply' and  and then save the logic.

You can also define and set the parameter using a Groovy script:

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