diff --git a/proto-docs/refs.md b/proto-docs/refs.md
index b808482..94dbc86 100644
--- a/proto-docs/refs.md
+++ b/proto-docs/refs.md
@@ -7,6 +7,7 @@
 
   - Messages
     - [Address](#refs.Address)
+    - [ObjectID](#refs.ObjectID)
     
 
 - [Scalar Value Types](#scalar-value-types)
@@ -33,6 +34,17 @@ Address of object (container id + object id)
 | ObjectID | [bytes](#bytes) |  | ObjectID is an object identifier, valid UUIDv4 represented in bytes |
 | CID | [bytes](#bytes) |  | CID is container identifier |
 
+
+<a name="refs.ObjectID"></a>
+
+### Message ObjectID
+ObjectID groups information about the NeoFS object identifier.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| Value | [bytes](#bytes) |  | Value carries the object identifier in a binary format. |
+
  <!-- end messages -->
 
  <!-- end enums -->
diff --git a/refs/types.proto b/refs/types.proto
index 6b001c0..dd78dc0 100644
--- a/refs/types.proto
+++ b/refs/types.proto
@@ -17,3 +17,9 @@ message Address {
     // CID is container identifier
     bytes CID      = 2[(gogoproto.customtype) = "CID",      (gogoproto.nullable) = false];
 }
+
+// ObjectID groups information about the NeoFS object identifier.
+message ObjectID {
+    // Value carries the object identifier in a binary format.
+    bytes Value = 1;
+}
\ No newline at end of file