diff --git a/servicecontrol/v1/servicecontrol-api.json b/servicecontrol/v1/servicecontrol-api.json
index e4a8d44..a5a897c 100644
--- a/servicecontrol/v1/servicecontrol-api.json
+++ b/servicecontrol/v1/servicecontrol-api.json
@@ -280,7 +280,7 @@
       }
     }
   },
-  "revision": "20180707",
+  "revision": "20180805",
   "rootUrl": "https://servicecontrol.googleapis.com/",
   "schemas": {
     "AllocateInfo": {
@@ -852,6 +852,10 @@
           "description": "Required. The log to which this log entry belongs. Examples: `\"syslog\"`,\n`\"book_log\"`.",
           "type": "string"
         },
+        "operation": {
+          "$ref": "LogEntryOperation",
+          "description": "Optional. Information about an operation associated with the log entry, if\napplicable."
+        },
         "protoPayload": {
           "additionalProperties": {
             "description": "Properties of the object. Contains field @type with type URL.",
@@ -906,6 +910,29 @@
       },
       "type": "object"
     },
+    "LogEntryOperation": {
+      "description": "Additional information about a potentially long-running operation with which\na log entry is associated.",
+      "id": "LogEntryOperation",
+      "properties": {
+        "first": {
+          "description": "Optional. Set this to True if this is the first log entry in the operation.",
+          "type": "boolean"
+        },
+        "id": {
+          "description": "Optional. An arbitrary operation identifier. Log entries with the\nsame identifier are assumed to be part of the same operation.",
+          "type": "string"
+        },
+        "last": {
+          "description": "Optional. Set this to True if this is the last log entry in the operation.",
+          "type": "boolean"
+        },
+        "producer": {
+          "description": "Optional. An arbitrary producer identifier. The combination of\n`id` and `producer` must be globally unique.  Examples for `producer`:\n`\"MyDivision.MyBigCompany.com\"`, `\"github.com/MyProject/MyApplication\"`.",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "MetricValue": {
       "description": "Represents a single metric value.",
       "id": "MetricValue",
diff --git a/servicecontrol/v1/servicecontrol-gen.go b/servicecontrol/v1/servicecontrol-gen.go
index 82538bc..119d61b 100644
--- a/servicecontrol/v1/servicecontrol-gen.go
+++ b/servicecontrol/v1/servicecontrol-gen.go
@@ -1204,6 +1204,11 @@
 	// "book_log".
 	Name string `json:"name,omitempty"`
 
+	// Operation: Optional. Information about an operation associated with
+	// the log entry, if
+	// applicable.
+	Operation *LogEntryOperation `json:"operation,omitempty"`
+
 	// ProtoPayload: The log entry payload, represented as a protocol buffer
 	// that is
 	// expressed as a JSON object. The only accepted type currently
@@ -1268,6 +1273,54 @@
 	return gensupport.MarshalJSON(raw, s.ForceSendFields, s.NullFields)
 }
 
+// LogEntryOperation: Additional information about a potentially
+// long-running operation with which
+// a log entry is associated.
+type LogEntryOperation struct {
+	// First: Optional. Set this to True if this is the first log entry in
+	// the operation.
+	First bool `json:"first,omitempty"`
+
+	// Id: Optional. An arbitrary operation identifier. Log entries with
+	// the
+	// same identifier are assumed to be part of the same operation.
+	Id string `json:"id,omitempty"`
+
+	// Last: Optional. Set this to True if this is the last log entry in the
+	// operation.
+	Last bool `json:"last,omitempty"`
+
+	// Producer: Optional. An arbitrary producer identifier. The combination
+	// of
+	// `id` and `producer` must be globally unique.  Examples for
+	// `producer`:
+	// "MyDivision.MyBigCompany.com",
+	// "github.com/MyProject/MyApplication".
+	Producer string `json:"producer,omitempty"`
+
+	// ForceSendFields is a list of field names (e.g. "First") to
+	// unconditionally include in API requests. By default, fields with
+	// empty values are omitted from API requests. However, any non-pointer,
+	// non-interface field appearing in ForceSendFields will be sent to the
+	// server regardless of whether the field is empty or not. This may be
+	// used to include empty fields in Patch requests.
+	ForceSendFields []string `json:"-"`
+
+	// NullFields is a list of field names (e.g. "First") to include in API
+	// requests with the JSON null value. By default, fields with empty
+	// values are omitted from API requests. However, any field with an
+	// empty value appearing in NullFields will be sent to the server as
+	// null. It is an error if a field in this list has a non-empty value.
+	// This may be used to include null fields in Patch requests.
+	NullFields []string `json:"-"`
+}
+
+func (s *LogEntryOperation) MarshalJSON() ([]byte, error) {
+	type NoMethod LogEntryOperation
+	raw := NoMethod(*s)
+	return gensupport.MarshalJSON(raw, s.ForceSendFields, s.NullFields)
+}
+
 // MetricValue: Represents a single metric value.
 type MetricValue struct {
 	// BoolValue: A boolean value.