Retrieves the diagram of a process definition.
If the process definition’s deployment contains an image resource with the same file name
as the process definition, the deployed image will be returned by the Get Diagram endpoint.
Example: someProcess.bpmn and someProcess.png.
Supported file extentions for the image are: svg, png, jpg, and gif.
Basic authentication header of the form Basic <encoded-value>, where <encoded-value> is the base64-encoded string username:password.
The id of the process definition.
Request successful. The image diagram of this process.
defaults to application/octet-stream if the file suffix is unknown