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{project-id}Required path parameter
{subject-id} or {subject-label}

Required path parameter.


If you specify a subject that does not exist yet in this project, a new subject will be created using your input as the subject label.

{experiment-label}Required path parameter. This is the label that your new experiment will be given.
xsiTypeRequired querystring parameter. The value attached to the xsiType should match a known XSD datatype, i.e. "xnat:mrSessionData"

Required body or querystring parameter. You can use shortcuts specified in Experiment Data REST XML Path Shortcuts.

  • Include XML or JSON experiment definition in the body of your PUT request
  • Include a parameter key/value pair in the querystring – i.e. ?xnat:mrSessionData/date=01/01/2018