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Select Edit > Add Folder.
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Select the new folder, and then select Edit > Add Rule to open the Rule Properties Dialog.
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Enter a name and a description for the new rule.
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In the Priority box, select a priority value. You can define a value from 1 to 100. One is the lowest priority, 100 the highest.
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On the Items Tab, define Item 1 by selecting the Browse button next to Item 1.
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On the Select Item 1 dialog, select Catalog Item.
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In the Item selection Tree view, select a gate valve, and then select OK.
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Set the connect point type for Item 1 (Piping Point).
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Set the placement method (Snap-on).
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Select Properties next to Placement method for Item 1.
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On the Snap-On Placement Properties Dialog, set the gap distance, and select OK.
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Define Item 2 by selecting the Browse button next to Item 2.
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On the Select Item 2 dialog, select Catalog item.
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In the Item selection Tree view, select Nozzles and then select OK.
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Set the connect point type for Item 2 (Piping Point). For this example, you do not need to define a placement method for Item 2.
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On the Consistency Tab, set Compare to "=".
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Set Status option to Warning.
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Set Severity level to 1.
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Set Copy to "==>" and select OK. Values are copied only if the destination values are Null.
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Select File > Save to write the changes to the rule base.