Merge pull request #234458 from ggailey777/patch-12

[Bug] fix attribute name for isolated

Author: prmerger-automator[bot]

articles/azure-functions/functions-bindings-warmup.md

@@ -251,7 +251,7 @@ The following considerations apply to using a warmup function in C#:
 
 # [Isolated process](#tab/isolated-process)
 
-- Your function must be named `warmup` (case-insensitive) using the `FunctionName` attribute.
+- Your function must be named `warmup` (case-insensitive) using the `Function` attribute.
 - A return value attribute isn't required.
 - You can pass an object instance to the function.