Note that if you are creating this Job from scratch, you need to click the

button to manually define the schema; otherwise, if the
schema has been defined in
Repository, you
can select the
Repository option from the
Schema list in the
Basic settings view to reuse it. For further
information about how to define a schema in
Repository, see the chapter describing metadata management
in the
Talend Studio User Guide or the chapter describing the
Hadoop cluster node in
Repository of
Talend Open Studio for Big Data Getting Started Guide
.