FlexDeploy properties can also be used in the configuration file as data source values. An example is seen below.
Above, you can see the property used in the configuration file. Below, you can see the property defined on the FlexDeploy workflow used for deploying WebCatalog objects.
And lastly, you can see it configured below on the environment instance. For more information on using FlexDeploy workflow properties, see Defining Workflow Properties.