distributed_screen/sa_profile/dscreen.cfg

{
    "services" : [{
        "name" : "dscreen",
        "path" : ["/system/bin/sa_main", "/system/profile/dscreen.xml"],
        "uid" : "dscreen",
        "gid" : ["dscreen"],
        "ondemand" : true,
        "apl" : "system_core",
        "permission" : ["ohos.permission.DISTRIBUTED_DATASYNC", "ohos.permission.DISTRIBUTED_SOFTBUS_CENNTER"],
        "secon" : "u:r:dscreen:s0"
    }]
}