fix: treat TaskAdherence tool definitions as optional (#43928)

Author: slister1001

sdk/evaluation/azure-ai-evaluation/CHANGELOG.md

@@ -1,5 +1,17 @@
 # Release History
 
+## 1.13.5 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+- **TaskAdherenceEvaluator:** treat tool definitions as optional so evaluations with only query/response inputs no longer raise “Either 'conversation' or individual inputs must be provided.”
+
+### Other Changes
+
 ## 1.13.4 (2025-11-10)
 
 ### Bugs Fixed

sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_evaluators/_task_adherence/_task_adherence.py

@@ -63,7 +63,7 @@ class TaskAdherenceEvaluator(PromptyEvaluatorBase[Union[str, float]]):
 
     _PROMPTY_FILE = "task_adherence.prompty"
     _RESULT_KEY = "task_adherence"
-    _OPTIONAL_PARAMS = []
+    _OPTIONAL_PARAMS = ["tool_definitions"]
 
     _DEFAULT_TASK_ADHERENCE_SCORE = 0
 

sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_version.py

@@ -3,4 +3,4 @@
 # ---------------------------------------------------------
 # represents upcoming version
 
-VERSION = "1.13.4"
+VERSION = "1.13.5"