VarArgList

List of values for variable arguments of the trial definition.

 Definition of a screen overlay

; This trial definition displays a Title and a message on the screen

TRIAL OvlTrl
SF BigFont          ; Set font to 'BigFont'
SP Title Top          ; Load Title in this font
SF -          ; Set font to system font
SP PleasePress Bottom          ; Load Message

TRIAL Instruct
SO OvlTrl          ; Activate Overlay for instructions
SF NiceFont          ; Set font to 'NiceFont'
SP ? Center          ; Show variable instruction text
WK -          ; Wait for key press

SESSION
RUNTRIAL Instruct Inst1          ; Display first instructions
RUNTRIAL Instruct Inst2
RUNTRIAL Instruct Inst3
RUNTRIAL Instruct Inst4