The first component you should add to your ingestion pipeline is an input port. The input port provides a way for NiFi to receive data. For example, you would configure an IDOL Connector to send documents to the input port.
To add an input port
Add an input port by dragging the Input Port icon from the components toolbar to the canvas.
The Add Port dialog box opens.
In the Input Port Name box, type a name for the input port and click ADD.
The input port is added to the canvas.
Right-click the port and click Configure.
The Configure Port dialog box opens.
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