anchor.diff:  
   ==== How to navigate ?
   
  -You can scroll through the list of policies via the timeline. You can also quickly access a specific policy by clicking on a specific policy in the quick access timeline.
  +You can scroll through the list of policies via the timeline. You can also quickly access a specific policy by clicking on it in the quick access timeline.
   
   image:{% link images/apim/3.x/api-publisher-guide/design-studio/debug-mode/debug-mode-timeline.png %}[Debug Mode timeline]
   
  -By clicking *Request Input* or *Request Output*, you can view the global transformation on your request and difference between what's have been received by the gateway and what's sent to your backend.
  +By clicking *Request Input* or *Request Output*, you can view the global transformation on your request and difference between what has been received by the gateway and what has been sent to your backend.
   
  -By clicking *Response Input* or *Response Output*, you can view the global transformation on your response and difference between what's been received from the backend and what's sent back to your client app.
  +By clicking *Response Input* or *Response Output*, you can view the global transformation on your response and difference between what has been received from the backend and what has been sent back to your client app.
   
   image:{% link images/apim/3.x/api-publisher-guide/design-studio/try-it/try-it-example.png %}[Try it example]
   
  
positive.code: * *Headers* to provide a custom list of HTTP request headers.
  * *Request body* to configure a custom request body. 
  
  Since debug mode emulates an external call to your API, it will resolve the flow as the gateway would do, so if you want to debug a specific flow you must configure your request (path, headers) to replicate the conditions at which the flow is triggered.
  
  image:{% link images/apim/3.x/api-publisher-guide/design-studio/debug-mode/debug-mode-example.png %}[Debug Mode example]
  
  
negative.code: 
  image:{% link images/apim/3.x/api-publisher-guide/design-studio/debug-mode/debug-mode-example-empty.png %}[Debug Mode empty example]
  
  The embedded HTTP client let you configure different attributes of your request:
  
  * *HTTP method* to select the HTTP verb (e.g., `GET`, `POST`, `PUT`, etc.).
  * *Path* to test a specific subpath and provide query parameters. 
  