diff --git a/typespec/executions/models.tsp b/typespec/executions/models.tsp
index a77ed432d..5dba37513 100644
--- a/typespec/executions/models.tsp
+++ b/typespec/executions/models.tsp
@@ -112,7 +112,7 @@ model Transition {
     execution_id: Execution.id;
 
     @visibility("read")
-    outputs: Record<unknown>;
+    output: Record<unknown>;
 
     @visibility("read")
     current: TransitionTarget;
@@ -122,4 +122,4 @@ model Transition {
 
     ...HasId;
     ...HasTimestamps;
-}
\ No newline at end of file
+}
diff --git a/typespec/sessions/models.tsp b/typespec/sessions/models.tsp
index b6da20809..f19ec1d99 100644
--- a/typespec/sessions/models.tsp
+++ b/typespec/sessions/models.tsp
@@ -54,7 +54,7 @@ model Session {
 
     /** Threshold value for the adaptive context functionality */
     token_budget: uint16 | null = null;
-    
+
     /** Action to start on context window overflow */
     context_overflow: ContextOverflowType | null = null;
 
@@ -150,4 +150,4 @@ model CreateOrUpdateSessionRequest {
     id: uuid;
 
     ...CreateSessionRequest;
-}
\ No newline at end of file
+}
diff --git a/typespec/tasks/models.tsp b/typespec/tasks/models.tsp
index 7aa35d656..0135da392 100644
--- a/typespec/tasks/models.tsp
+++ b/typespec/tasks/models.tsp
@@ -130,19 +130,19 @@ model Task {
     name: string;
 
     description: string = "";
-    
+
     /** The entrypoint of the task. */
     main: WorkflowStep[];
-    
+
     /** The schema for the input to the task. `null` means all inputs are valid. */
     input_schema: Record<unknown> | null = null;
-    
+
     /** Tools defined specifically for this task not included in the Agent itself. */
     tools: CreateToolRequest[] = #[];
 
     /** Whether to inherit tools from the parent agent or not. Defaults to true. */
     inherit_tools: boolean = true;
-    
+
     @visibility("read")
     agent_id: Agent.id;
 
@@ -170,4 +170,4 @@ model CreateTaskRequest {
 model CreateOrUpdateTaskRequest {
     id: uuid;
     ...CreateTaskRequest;
-}
\ No newline at end of file
+}
diff --git a/typespec/tools/models.tsp b/typespec/tools/models.tsp
index 626d3ec4c..509520304 100644
--- a/typespec/tools/models.tsp
+++ b/typespec/tools/models.tsp
@@ -34,11 +34,12 @@ model FunctionDef {
     /** DO NOT USE: This will be overriden by the tool name. Here only for compatibility reasons. */
     name?: validPythonIdentifier = "overriden";
 
+    /** Description of the function  */
+    description?: identifierSafeUnicode;
+
     /** The parameters the function accepts */
     parameters: FunctionParameters;
 
-    /** Description of the function */
-    description?: identifierSafeUnicode;
 }
 
 @discriminator("type")
@@ -46,8 +47,8 @@ model Tool {
     /** Whether this tool is a `function`, `api_call`, `system` etc. (Only `function` tool supported right now) */
     type: ToolType;
 
-    /** The tool should be run in the background (not supported at the moment) */
-    background: boolean = false;
+    /** Name of the tool (must be unique for this agent and a valid python identifier string )*/
+    name: validPythonIdentifier;
 
     function?: FunctionDef;
     integration?: unknown;
@@ -76,9 +77,6 @@ model NamedToolChoice {
     /** Whether this tool is a `function`, `api_call`, `system` etc. (Only `function` tool supported right now) */
     type: ToolType;
 
-    /** The name of the tool/function */
-    name: validPythonIdentifier;
-    
     function?: FunctionCallOption;
     integration?: unknown;
     system?: unknown;
@@ -133,4 +131,4 @@ model ChosenFunctionCall extends ChosenToolCall {
 
     /** The function to call */
     function: FunctionCallOption;
-}
\ No newline at end of file
+}