Node Connectivity
There are 204 nodes that can be used as predessesor
for a node with an input port of type 
Flow Variable.
Column Selection Widget
Creates a column selection widget for use in components views. Outputs a string flow variable with the name of the selected column.
Single Selection Widget
Allows selecting a single value from a list of strings in an encapsulating component's view. The selected value is returned as a string flow variable.
Value Selection Widget
Creates a value selection widget for use in components views. Outputs a string flow variable with the name of the selected value.
Refresh Button Widget
Creates a button widget with configurable text which emits reactivity events in component visualizations.
Boolean Input (legacy)
Outputs an integer flow variable with a given value (boolean).
Credentials Input (legacy)
Outputs a credentials flow variable with a given value.
Date Input (legacy) Deprecated
Outputs a date in a string flow variable with a given value.
Date&Time Input (legacy)
Outputs a date&time in a string flow variable with a given value.
Double Input (legacy)
Outputs a double-precision floating point variable with a given value.
File Upload (legacy)
Quick Form node that allows uploading a file and exposing that uploaded file using a flow variable.