SSIS+ Technical Support | Dynamic Data Flow

Dynamic Data Flow
How can I dynamically modify a transformation in an SSIS Data Flow Task?
COZYROC's Data Flow Task Plus allows you to dynamically modify source, destination and transformation components at runtime. For an overview and listing of properties for the following transformations, please check out the side menu item "Parameters" ...
While using a mapping variable for Dynamic Data Flow in Data Flow Task Plus, how can I block data from moving from source table to destination unless specifically mapped.
If you don’t want a source column to be mapped to a destination column, you have to provide empty source column mapping, like the following : ClientKey= VendorKey=

SSIS+ Technical Support | Dynamic Data Flow | Knowledge Base