[JENKINS-41027] File input parameter to HTTP PUT task

In the "Advanced / Body" section of the HTTP Request step, add an option to specify a file name to send as the body of a PUT request.

---
Originally reported by rudi_minty, imported from: File input parameter to HTTP PUT task

• assignee: janario
  
• status: Open
  
• priority: Minor
  
• component(s): http-request-plugin
  
• label(s): file-parameter, http
  
• resolution: Unresolved
  
• votes: 2
  
• watchers: 1
  
• imported: 20260702-081740
  

Raw content of original issue

In the "Advanced / Body" section of the HTTP Request step, add an option to specify a file name to send as the body of a PUT request.

environment

```
jenkins - 2.7.1

http-request-plugin - 1.8.13
```