What is the meaning and syntax of the 'DESTINATION DATASET' directive in FME Plugin Reader Writer metafiles and in which cases should we use it

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Q) What is the meaning and syntax of the 'DESTINATION DATASET' directive in FME Plugin Reader Writer metafiles and in which cases should we use it?

A) It is a way of passing the dataset to the writer. Basically, if you are creating a writer, you should be fine with the line:

DESTINATION_DATASET \"$[DestDataset]\"