A correlation flow visual has the following shelves:
Add two Dimension fields from the Data menu to define the start and end of each connection of the plot.
This shelf accepts exactly two fields.
This is a mandatory visual
Add a Measure field from the Data menu; the aggregate measurement determines the thickness of the connector between each pair of dimensions.
This shelf accepts a single field.
Add Measure fields from the Data menu for additional information in the graph's Tooltip.
This shelf accepts multiple fields.
Add Dimension or Measure fields from the Data menu to include or exclude categorical or value criteria.
This shelf accepts multiple fields.