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The way the parameters work that use the text_file_lookup is that the function ‘looks up’ a value from a table based on values that are specified when creating (or modifying) an instance of the family. If the ‘look up’ is not able to find a value in the table, a default value (specified in the function’s parameters) is used.
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Martin Schmid, PE
MEP Customer Success Engineer
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Thank U for such a good artical.I want to explore more about look up table can u guide me from where i am able to get more information about look up table which is used for fittings such as wye and transitions???
Posted by: Yogesh | January 27, 2009 at 07:44 AM