tml:cfDuration 

time duration of the CF in seconds.  Can also be determined by the CF offset time values by subtracting the smallest offset time from the largest offset time.  Duration does not vary over the CF.  Only one value.

Element Information

Model

tml:numValues{0,1} , tml:arrayType{0,1} , tml:fcnInterpol{0,1} , tml:valueDataType{0,1} , tml:values{0,1} , tml:mult* , tml:offset* , tml:accuracy*
Children: tml:accuracy, tml:arrayType, tml:fcnInterpol, tml:mult, tml:numValues, tml:offset, tml:valueDataType, tml:values

Attributes

QName Type Fixed Default Use Inheritable Annotation
name xs:string optional 
short descriptive name of element
uid xs:anyURI optional 
unique ID for this element
uidRef xs:anyURI optional 
the contents of this element are exactly the same as the contents of the uidRef element. no need repeating it. (similar to xlink)

Source 

<xs:element name="cfDuration" type="tml:ValueType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>time duration of the CF in seconds. Can also be determined by the CF offset time values by subtracting the smallest offset time from the largest offset time. Duration does not vary over the CF. Only one value.</xs:documentation>
  </xs:annotation>
</xs:element>

Sample