Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples:"2014-10-02T15:01:23Z","2014-10-02T15:01:23.045123456Z"or"2014-10-02T15:01:23+05:30".
currentVersion
string
The current version before the upgrade.
targetVersion
string
The target version for the upgrade.
resource
string
Optional relative path to the resource. For example in node pool upgrades, the relative path of the node pool.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-05 UTC."],[],[],null,["- [JSON representation](#SCHEMA_REPRESENTATION)\n\nUpgradeEvent is a notification sent to customers by the cluster server when a resource is upgrading.\n\n| JSON representation |\n|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ``` { \"resourceType\": enum (/kubernetes-engine/docs/reference/rest/v1/UpgradeResourceType), \"operation\": string, \"operationStartTime\": string, \"currentVersion\": string, \"targetVersion\": string, \"resource\": string } ``` |\n\n| Fields ||\n|----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `resourceType` | `enum (`[UpgradeResourceType](/kubernetes-engine/docs/reference/rest/v1/UpgradeResourceType)`)` The resource type that is upgrading. |\n| `operation` | `string` The operation associated with this upgrade. |\n| `operationStartTime` | `string (`[Timestamp](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp)` format)` The time when the operation was started. Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than \"Z\" are also accepted. Examples: `\"2014-10-02T15:01:23Z\"`, `\"2014-10-02T15:01:23.045123456Z\"` or `\"2014-10-02T15:01:23+05:30\"`. |\n| `currentVersion` | `string` The current version before the upgrade. |\n| `targetVersion` | `string` The target version for the upgrade. |\n| `resource` | `string` Optional relative path to the resource. For example in node pool upgrades, the relative path of the node pool. |"]]
