Function in finding the count of ocurrances of an XML tag in j developer

Hi All,
I need to find the count of an xml tag that appears mutliple times in an xml payload.
I did not find any function in bpel doing this.I am using j developer version 11.1.1.5.0 and SOA Composite editor version 11.1.1.5.0.01.74
Is there any function in Bpel that gives as the count of occurence of an element in a payload?
Kindy suggest me on this.

The below function is used inside XSLT to count the nodeset
count(inputNodeSet as node-set)
Returns the number of nodes in inputNodeSet.
Thanks,
Vijay

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Function in finding the count of ocurrances of an XML tag in j developer

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