You can run the analyzer to validate the settings configured by the user in property loader step and also to validate the property loader source.

You can use Import Preview, which launches the Import Preview Dialog, displaying the state of the sequence file after importing. It also shows what properties are updated, along with the old and new values.

You can choose to log the lookup of the updated property and its old and new value in the property loader step. After executing the step, you can verify the updated properties and their values by looking at the logged results.