Standard Input
Standard Input is a source that reads records from the standard input of the runner process. It is a utility, for testing and one-off loads.
Source
Utility
No stored secret
Overview
Because it reads the runner's own standard input, this connector is only useful where you start the runner yourself, such as a BYOC runner on a machine you control. It lets you pipe records straight into a sync to try out mappings and sinks before pointing a real source at them.
Connection fields
Step 2 asks only for the connection name.
Credentials
There is nothing to enter in step 3.