diff --git a/lib/generate_xml.py b/lib/generate_xml.py
index 8493c97..8b21135 100644
--- a/lib/generate_xml.py
+++ b/lib/generate_xml.py
@@ -28,3 +28,36 @@ def create_config_xml(folder_path):
     output_path = os.path.join(folder_path, "config.xml")
     tree.write(output_path, encoding="utf-8", xml_declaration=True)
     print(f"Config XML created at: {output_path}")
+
+
+def append_to_config_xml(file_path, uid_list):
+    # Check if the file exists
+    file_path = f"{file_path}/config.xml"
+    if not os.path.exists(file_path):
+        raise FileNotFoundError(f"The file {file_path} does not exist.")
+
+    # Parse the existing XML file
+    tree = ET.parse(file_path)
+    root = tree.getroot()
+
+    # Find the <list id="maps"> element
+    maps = root.find(".//list[@id='maps']")
+    if maps is None:
+        raise ValueError("The XML file does not contain a <list id='maps'> element.")
+
+    # Add new UIDs
+    for uid in uid_list:
+        # Check if the UID already exists (escaping 'from' in XPath)
+        existing = None
+        for record in maps.findall("record"):
+            if record.attrib.get('from') == str(uid):
+                existing = record
+                break
+        
+        if existing is None:
+            # Add the new record if the UID doesn't exist
+            ET.SubElement(maps, "record", attrib={"from": str(uid), "to": f"graphics/pictures/person/r-{uid}/portrait"})
+
+    # Write the updated XML back to the file
+    tree.write(file_path, encoding="utf-8", xml_declaration=True)
+    print(f"Appended new UIDs to {file_path}")
\ No newline at end of file
diff --git a/lib/xml_reader.py b/lib/xml_reader.py
new file mode 100644
index 0000000..9e130cc
--- /dev/null
+++ b/lib/xml_reader.py
@@ -0,0 +1,25 @@
+import xml.etree.ElementTree as ET
+
+def extract_from_values(xml_file):
+    """
+    Extract all 'from' values from the record elements in the XML file.
+
+    Args:
+    xml_file (str): Path to the XML file.
+
+    Returns:
+    list: List of all 'from' attribute values.
+    """
+    from_values = []
+    
+    # Parse the XML file
+    tree = ET.parse(xml_file)
+    root = tree.getroot()
+
+    # Find all 'record' elements and extract 'from' attributes
+    for record in root.findall(".//record"):
+        from_value = record.get('from')
+        if from_value:
+            from_values.append(from_value)
+    
+    return from_values
\ No newline at end of file