src/main/resources/SLING-CONTENT/libs/sling/distribution/settings.author/agents/publish.json

{
    "serviceName" : "distributionService",

    "packageExporter":  {
        "type": "local"
    },

    "packageImporter": {
        "type" : "remote",

        "endpoints" : [
            "http://localhost:4503/libs/sling/distribution/services/importers/default"
        ]
    }
}