Set flagged or un flagged value of the "self" flag for the staff document.
        PATCH
    /api-v1/document/{id}/self/{flag}
  
  curl \
 --request PATCH 'https://wyzio.app/api-v1/document/{id}/self/{flag}' \
 --header "TARGET-ORGANIZATION-ID: 42" \
 --header "WEAL-TOKEN: string"