diff --git a/proto/cmp/types/v1/inclusivity.proto b/proto/cmp/types/v1/inclusivity.proto
new file mode 100644
index 0000000..a08af1e
--- /dev/null
+++ b/proto/cmp/types/v1/inclusivity.proto
@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package cmp.types.v1;
+
+// An Option to specify if an item is included or not included in the context
+//
+// ![Diagram](https://storage.googleapis.com/docs-cmp-files/diagrams/proto/cmp/types/v1/inclusivity.proto.dot.xs.svg)
+// [Open Message Diagram](https://storage.googleapis.com/docs-cmp-files/diagrams/proto/cmp/types/v1/inclusivity.proto.dot.svg)
+enum Inclusivity {
+  INCLUSIVITY_UNSPECIFIED = 0;
+  INCLUSIVITY_INCLUDED = 1;
+  INCLUSIVITY_NOT_INCLUDED = 2;
+}