fix createEvent function to not add parameters key and set to undefined

Author: svozza

packages/event-handler/src/bedrock-agent/utils.ts

@@ -17,7 +17,6 @@ export function assertBedrockAgentFunctionEvent(
     'function' in event &&
     isString(event.function) &&
     (!('parameters' in event) ||
-      event.parameters == null ||
       (Array.isArray(event.parameters) &&
         event.parameters.every(
           (param) =>

packages/event-handler/tests/unit/bedrock-agent/BedrockAgentFunctionResolver.test.ts

@@ -22,7 +22,7 @@ function createEvent(functionName: string, parameters?: Parameter[]) {
     sessionId: 'sessionId',
     inputText: 'inputText',
     function: functionName,
-    parameters,
+    ...(parameters == null ? {} : { parameters }),
     actionGroup: 'myActionGroup',
     sessionAttributes: {},
     promptSessionAttributes: {},