Get a specified DELMIAFastener from the collection of Fasteners.
The specification is through the Index or the location of fastener in the list.
Index starts at 1.
Parameters:
index
Integer for the index in the list. It is an input parameter.
opiFastener
Returned instance of DELMIAFastener. It contains the return
DELMIAFastener at the specifed index. It is an output
parameter.