Node Connectivity
There are 205 nodes that can be used as predessesor
for a node with an input port of type 
Flow Variable.
Block Programmatically (Variable)
Used in unit tests to pause the execution until a prgrammatic "release" is triggered.
Logger Option
Allows to change the logger options during runtime.
Boolean Input (legacy) Deprecated
Outputs an integer flow variable with a given value (boolean).
Catch Errors (DB Ports) Deprecated
End of Try-Catch construct. Use second input if execution leading to first input failed.
Column Selection QuickForm (legacy) Deprecated
Takes a data table and returns a variable with the selected column name.
Date (String) Input (legacy) Deprecated
Outputs a date in a string flow variable with a given value.
Double Input (legacy) Deprecated
Outputs a double-precision floating point variable with a given value.
Dummy Input (legacy) Deprecated
Placeholder quickform input node that allows the user to force a break in the wizard execution.
File Upload (legacy) Deprecated
Quick Form node that allows uploading a file and exposing that uploaded file using a flow variable.
Integer Input (legacy) Deprecated
Outputs an integer flow variable with a given value.