Controls whether the weblet accepts input, displays output or is hidden.
Default value
Blank (equivalent to 'input').
Valid values
Literal values 'input', 'output' or 'hidden'. A list of allowable values is available by clicking the corresponding dropdown button in the property sheet. Alternately, you may enter the name of a field, system variable or multilingual variable that will contain one of the allowable values at run-time.
