Node Connectivity
There are 204 nodes that can be used as predessesor
for a node with an input port of type 
Flow Variable.
SSH Command Executor Streamable
Execute command(s) on a remote machine using SSH
PMML to SQL
Generates SQL for PMML Decision Trees and Regression models
Molecule Widget (Labs)
Emits a molecule string in the specified format.
Variable Expressions (legacy)
Append and modify variables using expressions.
Wait...
This node waits for a certain time, to a certain time or for a file event.
Save Workflow
Saves the workflow upon execution.
Extract Variables (Data)
Extracts Variables from a data connection.
Extract Variables (Database)
Extracts Variables from a Database connection.
Table Column to Variable
Converts the values from a table column to flow variables with the RowIDs as their variable name.
Table Row to Variable
Defines new flow variables based on the first row of the input table and exposes them using a variable connection.