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			            The property you want is script.subjectid:
  <block myblock> / trials = [1=mytrial] </block>
  <trial mytrial> / stimulusframes = [1=mytext] / validresponse = (57) </trial>
  <text mytext> / items = ("Your ID is <%script.subjectid%>.") </text>                 
			            				
			                                 
                     
                                            
                         
                    
                  
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