diff --git a/ipaacasoa/cpp/include/ipaaca-soa/categories_components_lexicon.h b/ipaacasoa/cpp/include/ipaaca-soa/categories_components_lexicon.h
index 773c34340179f3e78a5e422cbf5c73ff525e452a..333e9c3e43fc501d31937930fa381090ad3eddcf 100644
--- a/ipaacasoa/cpp/include/ipaaca-soa/categories_components_lexicon.h
+++ b/ipaacasoa/cpp/include/ipaaca-soa/categories_components_lexicon.h
@@ -14,6 +14,9 @@
 //
 //  please indicate sub-categories (e.g. component-specific data) and/or add descriptions
 
+/// component connect / run notification
+const std::string CAL__COMPONENT_NOTIFY = "componentNotify";
+
 /// execution request for MURML string
 const std::string CAT__MURML_DATA = "murmldata";
 const std::string CAT__MURML_FILE = "murmlfile";