GetField
GetField(name AS String, val AS String/Double/Boolean/Integer/Time[, bGMT AS Boolean]) AS Boolean
Gets data of the current branch's next sibling matching the given <name>. If the string <name> is empty, get data of the current branch.
When the parameter <val> is Time type, the optional parameter <bGMT> specifies the waited time coding (UTC if <bGMT> is TRUE, else local time).
Returns TRUE if <name> node is defined with data in <val>. Returns FALSE if <name> node is not defined with unchanged <val>.