=Label

A text label can be assigned to a variable argument by appending an equal sign and text without blanks. This label will be used as the column header when listing the values in the result file.

 Example for using variable arguments

TRIAL Trl2
SP ? Circle ? ?
SP ? Circle ? *3 ; this references the third variable argument

TRIAL Trl2
SP ?=Stimulus Circle ?=StimPos ?=StimTime ; setting labels for variable arguments