When user places valve in OpenPlant PID, then based on diameter and class, if it encounters more than one records in the database a dialog appears to select the valve as shown below:This is default order in spec grid which can be customized after following the steps given below section. For this exercise let's swap the order of End Condition column with Rating.
http://communities.bentley.com/products/plant/design___engineering/w/plant_design_and_engineering__wiki/26022.how-to-map-property-with-spec-field-and-have-it-in-spec-selection-grid
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