The spec filtering mechanism is the basis of a function in SmartPlant Materials called FIND_IDENT. This function is used mainly in the BOM module:
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On the B.20.01 screen, after entering the required information manually
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In a verification job that finds idents for multiple positions, previously inserted in the BOM nodes
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During the import of BOM positions via OMI (screen B.40.01)
The FIND_IDENT tries to find idents with the following information:
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Which specification is the material in?
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Which short code is assigned to the item?
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Which option is desired?
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What are the sizes of the item?
FIND_IDENT will look up the spec for the appropriate information and return an ident according to the spec filtering mechanism. However, in some cases, find_ident can even find idents that are not "directly" in the spec. Refer to the "Searching outside the spec" section for more information.