Defining input schemas and output actions for JET transformations

The input schema for a Java Emitter Template (JET) transformation describes the input that a transformation expects. When you create a JET transformation project, the New Project wizard creates an input schema with a root element. You can also import an existing input schema into an existing JET project. Existing schemas are Eclipse Modeling Framework core (Ecore) files with the name input.schema in the root of a JET project. Using a valid transformation input schema ensures that the input to the transformation is structurally correct, and enables transformation users to create input with fewer syntax or semantic errors.

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