The ProcessingInstructionName(xmlTree) command returns the name used for the processing instruction xmlTree. If xmlTree is not an XML processing instruction data structure, an error is returned.

$\mathrm{with}\left(\mathrm{XMLTools}\right)\:$

$\mathrm{ProcessingInstructionName}\left(\mathrm{XMLProcessingInstruction}\left(''xml''\,''version=1.0''\right)\right)$

$''xml''$