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Use-Mappings Element (supplying the parameters)

The optionalelement must be the last element in a mapping rule. This element contains a sequence of one or moreelements that identifies a mapping rule by its signature name through thenameattribute:

 ... <use-mappings>   ... >

The above only specifies parameter-less mapping rules. To supply the parameters for a mapping rule, theelement may optionally have anelement. Theelement can have one or moreelements that takeexpression sequencesas their values:

... ... ... >

ThemyMappingRule1mapping rule’s signature must contain (N+1) named parameters.