New knowledge base article explaining “How to Convert Empty String to Null in Data Mapper” is now available.
See Liquid XML Knowledge Base Article:
how-to-convert-empty-string-to-null-in-data-mapper.aspx
Empty To Null Sub Function:

A new knowledge base article titled “How to Convert Empty String to Null in Data Mapper” has been released. It provides guidance on transforming empty strings into null values within Data Mapper.
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New knowledge base article explaining “How to Convert Empty String to Null in Data Mapper” is now available.
See Liquid XML Knowledge Base Article:
how-to-convert-empty-string-to-null-in-data-mapper.aspx
Empty To Null Sub Function: