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Hello, Marcos!

The Rewind function moves the reading pointer back to the start of the stream. It's useful if you want to read a stream from the beginning again.

for example:

do ##class(%ZEN.Auxiliary.jsonProvider).%ParseJSON(obj,,.ObjData)
do ObjData.Rewind()
do ObjData.Read()

Thank you Nadyan, this is what I was looking for. That was of great help.