diff --git a/src/vanna/chromadb/chromadb_vector.py b/src/vanna/chromadb/chromadb_vector.py
index 22758aa5..ffb93de6 100644
--- a/src/vanna/chromadb/chromadb_vector.py
+++ b/src/vanna/chromadb/chromadb_vector.py
@@ -1,5 +1,4 @@
 import json
-import uuid
 from typing import List
 
 import chromadb
@@ -16,17 +15,14 @@
 class ChromaDB_VectorStore(VannaBase):
     def __init__(self, config=None):
         VannaBase.__init__(self, config=config)
+        if config is None:
+            config = {}
 
-        if config is not None:
-            path = config.get("path", ".")
-            self.embedding_function = config.get("embedding_function", default_ef)
-            curr_client = config.get("client", "persistent")
-            self.n_results = config.get("n_results", 10)
-        else:
-            path = "."
-            self.embedding_function = default_ef
-            curr_client = "persistent"  # defaults to persistent storage
-            self.n_results = 10  # defaults to 10 documents
+        path = config.get("path", ".")
+        self.embedding_function = config.get("embedding_function", default_ef)
+        curr_client = config.get("client", "persistent")
+        collection_metadata = config.get("collection_metadata", None)
+        self.n_results = config.get("n_results", 10)
 
         if curr_client == "persistent":
             self.chroma_client = chromadb.PersistentClient(
@@ -43,13 +39,19 @@ def __init__(self, config=None):
             raise ValueError(f"Unsupported client was set in config: {curr_client}")
 
         self.documentation_collection = self.chroma_client.get_or_create_collection(
-            name="documentation", embedding_function=self.embedding_function
+            name="documentation",
+            embedding_function=self.embedding_function,
+            metadata=collection_metadata,
         )
         self.ddl_collection = self.chroma_client.get_or_create_collection(
-            name="ddl", embedding_function=self.embedding_function
+            name="ddl",
+            embedding_function=self.embedding_function,
+            metadata=collection_metadata,
         )
         self.sql_collection = self.chroma_client.get_or_create_collection(
-            name="sql", embedding_function=self.embedding_function
+            name="sql",
+            embedding_function=self.embedding_function,
+            metadata=collection_metadata,
         )
 
     def generate_embedding(self, data: str, **kwargs) -> List[float]: