Editing a Parameter Formula
Using a formula in a case table you can derive the permissible values for a parameter. This provides the ability to determine values based on other information. A formula can be simple or complex, utilizing nesting of other formula or other case table parameters within the calculations.
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• To enter and display the formulae and advanced logic expressions in a format that is consistent with Microsoft Excel, set the ato.expression.rendering.context=com.ptc.wpcfg.logic.XLSExpressionRenderingContext property in the WT_HOME/codebase/wt.properties file.
• The ability to designate a parameter for allowing formula is available only when the Enable Advanced Case Tables preference is enabled. For more information, see Selecting Case Table Parameters.
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1. Specify the formula in the text entry area.
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To define the formula, use the actions located above the text entry area. The Validate action provides the syntax validation feedback without saving the formula.
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2. Click OK to save the formula for the permissible parameter value.
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Clicking OK also validates the syntax and saves the well-formed formula.
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For more information on the use of formulas, see Using Numeric Operators and Functions in Advanced Logic.