Most studies are adjustable in terms of length, bounds, or levels. You can create an adjustable parameter for your thinkScript® study using the input reserved word.
	
When defining inputs take the following notes into consideration:
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Inputs are displayed on the GUI in the same order as they appear in the source code. 
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input test = "test in lowercase"; 
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input TEST = "test in uppercase"; 
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Inputs can't have empty spaces in their definitions. The following code will result in compilation error. 
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In order to have titles displayed on the GUI with spaces you can do one of the following: 
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input "input name with spaces" = "ERROR"; 
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input input_name_with_spaces = "OK"; 
Find the full list of inputs in the following list: