Epcor Water Canada Outages Query is an example object payload from EPCOR, with 8 top-level fields. It illustrates the shape of data this provider's APIs accept or return.
{"objectIdFieldName":"FID","uniqueIdField":{"name":"FID","isSystemMaintained":true},"globalIdFieldName":"","geometryType":"esriGeometryPoint","spatialReference":{"wkid":102100,"latestWkid":3857},"fields":[{"name":"FID","type":"esriFieldTypeOID","alias":"FID","sqlType":"sqlTypeInteger","domain":null,"defaultValue":null},{"name":"MainbreakI","type":"esriFieldTypeString","alias":"MainbreakI","sqlType":"sqlTypeNVarchar","length":10,"domain":null,"defaultValue":null},{"name":"Cause","type":"esriFieldTypeString","alias":"Cause","sqlType":"sqlTypeNVarchar","length":254,"domain":null,"defaultValue":null},{"name":"ReportDate","type":"esriFieldTypeString","alias":"ReportDate","sqlType":"sqlTypeNVarchar","length":50,"domain":null,"defaultValue":null},{"name":"Restoratio","type":"esriFieldTypeString","alias":"Restoratio","sqlType":"sqlTypeNVarchar","length":50,"domain":null,"defaultValue":null},{"name":"Status","type":"esriFieldTypeString","alias":"Status","sqlType":"sqlTypeNVarchar","length":254,"domain":null,"defaultValue":null},{"name":"Details","type":"esriFieldTypeString","alias":"Details","sqlType":"sqlTypeNVarchar","length":254,"domain":null,"defaultValue":null},{"name":"EstimateRe","type":"esriFieldTypeString","alias":"EstimateRe","sqlType":"sqlTypeNVarchar","length":254,"domain":null,"defaultValue":null}],"exceededTransferLimit":true,"features":[{"attributes":{"FID":1,"MainbreakI":"MB4575","Cause":"Water Main Break","ReportDate":"Jan-30 7:34 PM","Restoratio":null,"Status":"Water main break has been repaired. Awaiting surface restoration. If you’re experiencing a water outage, please report it to 780-412-4500.","Details":"Road restoration is carried out by a 3rd party and may take up to 6 weeks to complete.","EstimateRe":"Customers are NOT out of Water"}},{"attributes":{"FID":2,"MainbreakI":"MB4583","Cause":"Water Main Break","ReportDate":"Feb-17 3:05 PM","Restoratio":null,"Status":"Water main break has been repaired. Awaiting surface restoration. If you’re experiencing a water outage, please report it to 780-412-4500.","Details":"Road restoration is carried out by a 3rd party and may take up to 6 weeks to complete.","EstimateRe":"Customers are NOT out of Water"}}]}