Press the Add data from button, select a pipeline or filter as a data source and one of two types of plot from the drop-down list:
add FieldData - X and Y axes can be configured to show any output variables, results are taken from all nodes; if the One Y field for each frame checkbox is enabled, there is a separate curve representing Y axis field output for each frame
add IndexOverFrames - Y axis can be configured to show any output variable, X axis shows time/frequency (based on the frames), results are taken only from a node with a specified index (number)
Configure the plot:
Press the middle button by default showing Position (X) to set the X/Y axis data and index.
Press the 3rd button from the left by default showing blue line to set the plot line appearance.
Press the rightmost button with X symbol to delete the plot object.
Set Lineplot view settings - show or hide Grid, Legend and its location, axis scale and type the labels (Title, X Axis, Y Axis).
Press the Show plot button to display the plot.
Press the Show data button to display a table with data used for the plot.
Press the OK button to finish and close the task panel.