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TIBCO BusinessEvents® Enterprise Edition 6.3.1

# Qualifier Icons

Schema elements can have additional icons that specify qualifications. The qualifier icons have different meanings depending upon where they appear. For example, a question mark icon signifies an element is optional in the Scope Variables schema or in a hint in the Function panel. However, in an XSLT statement, the question mark signifies the statement is "collapsed" and an implicit "if" statement is set, but not displayed in the Function panel.

The following table describes the additional qualifiers that appear next to the name of schema items.

Additional icons for hints
Qualifier | Scope Variables or Hint | Statement
--- | --- | ---
| No qualifier indicates the element is required. | N/A
| A question mark indicates an optional Item. | An implicit "if" statement is set for this statement. This occurs when you map an optional element from the Scope Variables to an optional element in the function input schema or if you specify Surround element with if test on the Content tab of the Edit Statement dialog.
| An asterisk indicates the item repeats zero or more times. | N/A
| A plus sign indicates the item repeats one or more times. | N/A
| A null sign indicates the item may be set to null. | A null sign indicates the item is explicitly set to null. You can set an element explicitly to null by clicking the Edit Statement button for the element, then checking the Set Explicit Nil field on the Content tab of the Edit Statement dialog.

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TIBCO BusinessEvents® Enterprise Edition

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