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<meta name="Description" content="@since J2EE1.4 The function element is used to provide information on each function in the tag library that is to be exposed to the EL. The function element may have several subelements defining: description Optional tag-specific information display-name A short name that is intended to be displayed by tools icon Optional icon element that can be used by tools name A unique name for this function function-class Provides the name of the Java class that implements the function function-signature Provides the signature, as in the Java Language Specification, of the Java method that is to be used to implement the function. example Optional informal description of an example of a use of this function">
<meta name="KeyWords" content="Function,Class Function,j2ee,model j2ee,">
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<p><font FACE="Arial, Geneva" SIZE=3><b>Class&nbsp;Function&nbsp;{Analysis}&nbsp;derived&nbsp;from:&nbsp;<a href="../cat38c08f0f038d/class3e4d451f01fb.htm" target="contents_frame">DescriptionGroup</a></b></font></p>
<font FACE="Arial, Geneva" SIZE=2><b>Documentation</b></font><BR><font FACE="Arial, Geneva" SIZE=2>@since&nbsp;J2EE1.4
<BR>The&nbsp;function&nbsp;element&nbsp;is&nbsp;used&nbsp;to&nbsp;provide&nbsp;information&nbsp;on&nbsp;each
<BR>function&nbsp;in&nbsp;the&nbsp;tag&nbsp;library&nbsp;that&nbsp;is&nbsp;to&nbsp;be&nbsp;exposed&nbsp;to&nbsp;the&nbsp;EL.
<BR>
<BR>The&nbsp;function&nbsp;element&nbsp;may&nbsp;have&nbsp;several&nbsp;subelements&nbsp;defining:
<BR>
<BR>description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Optional&nbsp;tag-specific&nbsp;information
<BR>
<BR>display-name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A&nbsp;short&nbsp;name&nbsp;that&nbsp;is&nbsp;intended&nbsp;to&nbsp;be
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;displayed&nbsp;by&nbsp;tools
<BR>
<BR>icon&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Optional&nbsp;icon&nbsp;element&nbsp;that&nbsp;can&nbsp;be&nbsp;used
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;by&nbsp;tools
<BR>
<BR>name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A&nbsp;unique&nbsp;name&nbsp;for&nbsp;this&nbsp;function
<BR>
<BR>function-class&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Provides&nbsp;the&nbsp;name&nbsp;of&nbsp;the&nbsp;Java&nbsp;class&nbsp;that
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;implements&nbsp;the&nbsp;function
<BR>
<BR>function-signature&nbsp;&nbsp;Provides&nbsp;the&nbsp;signature,&nbsp;as&nbsp;in&nbsp;the&nbsp;Java
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Language&nbsp;Specification,&nbsp;of&nbsp;the&nbsp;Java
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;method&nbsp;that&nbsp;is&nbsp;to&nbsp;be&nbsp;used&nbsp;to&nbsp;implement
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the&nbsp;function.
<BR>
<BR>example&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Optional&nbsp;informal&nbsp;description&nbsp;of&nbsp;an
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;example&nbsp;of&nbsp;a&nbsp;use&nbsp;of&nbsp;this&nbsp;function</font><BR><BR>
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