diff --git a/image.py b/image.py
index 8d5bf97..7e87a9a 100644
--- a/image.py
+++ b/image.py
@@ -315,6 +315,31 @@ class PreviewImageTest(SaveImage):
 
 
 
+class PromptTemplate:
+    """replaces the text in the given text string with a given other text at some key positions"""
+
+    @classmethod
+    def INPUT_TYPES(s):
+        return {"required":
+            {
+                "text": ("STRING", {"multiline": True}),
+                "replacement": ("STRING", {"multiline": True}),
+                "key1": ("STRING", {"multiline": False}),
+            }
+        }
+
+    CATEGORY = "text"
+    RETURN_TYPES = ("STRING",)
+    FUNCTION = "prompt_template_handler"
+
+    def prompt_template_handler(self, text: str, replacement, key1):
+        """
+        >>> PromptTemplate().prompt_template_handler("hello world", "universe", "world")
+        'hello universe'
+        """
+        return (text.replace(key1, replacement),)
+
+
 class LoadImage:
     @classmethod
     def INPUT_TYPES(s):