# Header

## Add a Header

1. Open an existing [application ](https://docs.novacura.com/flow-connect/working-with-connect/create-and-design/applications/create#create-application)or create a new one in an [application package](https://docs.novacura.com/flow-connect/working-with-connect/create-and-design/application-packages) and open it in the Designer.

   1. Add a User step. 
   2. Add a Header.
   3. In Text, write “I, {userId}, created this header".
   4. Click the **Play** button in the top right-hand corner to run the application in diagnostic mode.

   <figure><img src="https://1716064794-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIIgl6sNaTky0iALxYWHH%2Fuploads%2Fdj1EMfCpH5cQs6R2IWdp%2FWith%20border.png?alt=media&#x26;token=cf5318b0-5d21-4386-8230-fd1dff69b788" alt=""><figcaption><p>You will see your own userId.</p></figcaption></figure>

2. Go back to the Designer.

   1. In the Condition To Hide, write “{userId = “*your user id”*} *(the user Id you saw in the header in the first part)*
   2. Run the application in diagnostic mode again.

   <figure><img src="https://1716064794-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIIgl6sNaTky0iALxYWHH%2Fuploads%2FoHGixRKhz7mCgFwRtmor%2FWith%20border.png?alt=media&#x26;token=fabf8a31-f25e-4599-9864-41bbd0010540" alt=""><figcaption><p>The header is now hidden since the condition is fulfilled.</p></figcaption></figure>