diff --git a/src/corelibs/iterator_handling/data_search.py b/src/corelibs/iterator_handling/data_search.py
index f08667e..195da27 100644
--- a/src/corelibs/iterator_handling/data_search.py
+++ b/src/corelibs/iterator_handling/data_search.py
@@ -2,23 +2,40 @@
 wrapper around search path
 """
 
-from typing import Any
+from typing import Any, TypedDict, NotRequired
+from warnings import deprecated
 
 
+class ArraySearchList(TypedDict):
+    """find in array from list search dict"""
+    key: str
+    value: str | bool | int | float | list[str | None]
+    case_sensitive: NotRequired[bool]
+
+
+@deprecated("Use find_in_array_from_list()")
 def array_search(
-    search_params: list[dict[str, str | bool | list[str | None]]],
+    search_params: list[ArraySearchList],
     data: list[dict[str, Any]],
     return_index: bool = False
+) -> list[dict[str, Any]]:
+    """depreacted, old call order"""
+    return find_in_array_from_list(data, search_params, return_index)
+
+def find_in_array_from_list(
+    data: list[dict[str, Any]],
+    search_params: list[ArraySearchList],
+    return_index: bool = False
 ) -> list[dict[str, Any]]:
     """
-    search in an array of dicts with an array of Key/Value set
+    search in an list of dicts with an list of Key/Value set
     all Key/Value sets must match
     Value set can be list for OR match
     option: case_senstive: default True
 
     Args:
-        search_params (list): List of search params in "Key"/"Value" lists with options
         data (list): data to search in, must be a list
+        search_params (list): List of search params in "key"/"value" lists with options
         return_index (bool): return index of list [default False]
 
     Raises:
@@ -32,17 +49,19 @@ def array_search(
     """
     if not isinstance(search_params, list):  # type: ignore
         raise ValueError("search_params must be a list")
-    keys = []
+    keys: list[str] = []
+    # check that key and value exist and are set
     for search in search_params:
-        if not search.get('Key') or not search.get('Value'):
+        if not search.get('key') or not search.get('value'):
             raise KeyError(
-                f"Either Key '{search.get('Key', '')}' or "
-                f"Value '{search.get('Value', '')}' is missing or empty"
+                f"Either Key '{search.get('key', '')}' or "
+                f"Value '{search.get('value', '')}' is missing or empty"
             )
+        keys.append(str(search['key']))
         # if double key -> abort
-        if search.get("Key") in keys:
+        if search.get("key") in keys:
             raise KeyError(
-                f"Key {search.get('Key', '')} already exists in search_params"
+                f"Key {search.get('key', '')} already exists in search_params"
             )
 
     return_items: list[dict[str, Any]] = []
@@ -55,20 +74,20 @@ def array_search(
             # lower case left side
             # TODO: allow nested Keys. eg "Key: ["Key a", "key b"]" to be ["Key a"]["key b"]
             if search.get("case_sensitive", True) is False:
-                search_value = search_item.get(str(search['Key']), "").lower()
+                search_value = search_item.get(str(search['key']), "").lower()
             else:
-                search_value = search_item.get(str(search['Key']), "")
+                search_value = search_item.get(str(search['key']), "")
             # lower case right side
-            if isinstance(search['Value'], list):
+            if isinstance(search['value'], list):
                 search_in = [
-                        str(k).lower()
-                        if search.get("case_sensitive", True) is False else k
-                        for k in search['Value']
-                    ]
+                    str(k).lower()
+                    if search.get("case_sensitive", True) is False else k
+                    for k in search['value']
+                ]
             elif search.get("case_sensitive", True) is False:
-                search_in = str(search['Value']).lower()
+                search_in = str(search['value']).lower()
             else:
-                search_in = search['Value']
+                search_in = search['value']
             # compare check
             if (
                 (
diff --git a/test-run/iterator_handling/data_search.py b/test-run/iterator_handling/data_search.py
new file mode 100644
index 0000000..ff4e410
--- /dev/null
+++ b/test-run/iterator_handling/data_search.py
@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+"""
+Search data tests
+iterator_handling.data_search
+"""
+
+from corelibs.debug_handling.dump_data import dump_data
+from corelibs.iterator_handling.data_search import find_in_array_from_list, ArraySearchList
+
+
+def main() -> None:
+    """
+    Comment
+    """
+    data = [
+        {
+            "lookup_value_p": "A01",
+            "lookup_value_c": "B01",
+            "replace_value": "R01",
+        },
+        {
+            "lookup_value_p": "A02",
+            "lookup_value_c": "B02",
+            "replace_value": "R02",
+        },
+    ]
+    test_foo = ArraySearchList(
+        key = "lookup_value_p",
+        value = "A01"
+    )
+    print(test_foo)
+    search: list[ArraySearchList] = [
+        {
+            "key": "lookup_value_p",
+            "value": "A01"
+        },
+        {
+            "key": "lookup_value_c",
+            "value": "B01"
+        }
+    ]
+
+    result = find_in_array_from_list(data, search)
+
+    print(f"Search {dump_data(search)} -> {dump_data(result)}")
+
+
+if __name__ == "__main__":
+    main()
+
+# __END__
diff --git a/uv.lock b/uv.lock
index 9c6c261..2d80c13 100644
--- a/uv.lock
+++ b/uv.lock
@@ -44,7 +44,7 @@ wheels = [
 
 [[package]]
 name = "corelibs"
-version = "0.15.0"
+version = "0.16.0"
 source = { editable = "." }
 dependencies = [
     { name = "jmespath" },