diff --git a/docs/search-core.source.md b/docs/search-core.source.md
index 6dc1c3cd..545b7d31 100644
--- a/docs/search-core.source.md
+++ b/docs/search-core.source.md
@@ -20,6 +20,7 @@ export declare enum Source
 |  Bing | <code>&quot;BING_CSE&quot;</code> | The result is from Bing Search Engine. |
 |  Custom | <code>&quot;CUSTOM_SEARCHER&quot;</code> | The result was from a custom source. |
 |  DocumentVertical | <code>&quot;DOCUMENT_VERTICAL&quot;</code> | The result is from a document vertical. |
+|  FunctionVertical | <code>&quot;FUNCTION_VERTICAL&quot;</code> | The result is from a function vertical. |
 |  Google | <code>&quot;GOOGLE_CSE&quot;</code> | The result is from Google Custom Search Engine. |
 |  KnowledgeManager | <code>&quot;KNOWLEDGE_MANAGER&quot;</code> | The result is from a Knowledge Graph. |
 |  Zendesk | <code>&quot;ZENDESK&quot;</code> | The result is from Zendesk. |
diff --git a/etc/search-core.api.md b/etc/search-core.api.md
index d2b5fbc8..dbcfb723 100644
--- a/etc/search-core.api.md
+++ b/etc/search-core.api.md
@@ -754,6 +754,7 @@ export enum Source {
     Bing = "BING_CSE",
     Custom = "CUSTOM_SEARCHER",
     DocumentVertical = "DOCUMENT_VERTICAL",
+    FunctionVertical = "FUNCTION_VERTICAL",
     Google = "GOOGLE_CSE",
     KnowledgeManager = "KNOWLEDGE_MANAGER",
     Zendesk = "ZENDESK"