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When defining a data service, a user may have an requirement, that need to use result of a one query as input to a another query. This can be done using Export Option provided in output mappings.
Figure 1: Setting Export Parameter.
We need to enable Boxcarring to use export option. Once we defined export parameter, we can use it as input to any other query. Export type can be Scalar or Array depending on the result set return from query.
For a demonstration of the usage of export option, refer to the export option demo in the samples.