fixing Readme

packages/aws-cdk-lib/aws-stepfunctions-tasks/README.md

@@ -353,11 +353,21 @@ const task = new tasks.BedrockInvokeModel(this, 'Prompt Model', {
     names: sfn.JsonPath.stringAt('$.Body.results[0].outputText'),
   },
 });
-
-####Using Input Path
+```
+### Using Input Path
 
 Provide S3 URI as an input or output path to invoke a model
 
+```ts
+
+import * as bedrock from 'aws-cdk-lib/aws-bedrock';
+
+const model = bedrock.FoundationModel.fromFoundationModelId(
+  this,
+  'Model',
+  bedrock.FoundationModelIdentifier.AMAZON_TITAN_TEXT_G1_EXPRESS_V1,
+);
+
 const task = new tasks.BedrockInvokeModel(this, 'Prompt Model', {
   model,
   inputPath: sfn.JsonPath.stringAt('$.prompt'),