code: func (api *API) SpectrumApplications(zoneID string) ([]SpectrumApplication, error) {
  	uri := "/zones/" + zoneID + "/spectrum/apps"
  
  	res, err := api.makeRequest("GET", uri, nil)
  	if err != nil {
  		return []SpectrumApplication{}, errors.Wrap(err, errMakeRequestError)
  	}
  
  	var spectrumApplications SpectrumApplicationsDetailResponse
  	err = json.Unmarshal(res, &spectrumApplications)
  	if err != nil {
  		return []SpectrumApplication{}, errors.Wrap(err, errUnmarshalError)
  	}
  
  	return spectrumApplications.Result, nil
  }
docs: // SpectrumApplications fetches all of the Spectrum applications for a zone.
  //
  // API reference: https://developers.cloudflare.com/spectrum/api-reference/#list-spectrum-applications