src/main/resources/SLING-CONTENT/libs/sling/distribution/install.publish/org.apache.sling.distribution.component.impl.GenericDistributionComponentFactory-trigger-content-changed.json

{
    "jcr:primaryType": "sling:OsgiConfig",
    "name": "content-changed",

    "componentType": "trigger",

    "properties": [
        "type=jcrEvent",
        "path=/content/usergenerated",
        "servicename=distributionService"
    ]

}