Output only. timestamp when the session was created.
Uses RFC 3339, where generated output will always be Z-normalized and uses 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".
Output only. timestamp when the session was updated.
Uses RFC 3339, where generated output will always be Z-normalized and uses 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".
Optional. timestamp of when this session is considered expired. This is always provided on output, regardless of what was sent on input.
Uses RFC 3339, where generated output will always be Z-normalized and uses 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".
[[["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 2025-07-31 UTC."],[],[],null,["# REST Resource: projects.locations.reasoningEngines.sessions\n\nResource: Session\n-----------------\n\nA session contains a set of actions between users and Vertex agents.\nFields `name` `string` \nIdentifier. The resource name of the session. Format: 'projects/{project}/locations/{location}/reasoningEngines/{reasoningEngine}/sessions/{session}'.\n`createTime` `string (`[Timestamp](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp)` format)` \nOutput only. timestamp when the session was created.\n\nUses RFC 3339, where generated output will always be Z-normalized and uses 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`updateTime` `string (`[Timestamp](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp)` format)` \nOutput only. timestamp when the session was updated.\n\nUses RFC 3339, where generated output will always be Z-normalized and uses 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`displayName` `string` \nOptional. The display name of the session.\n`sessionState` `object (`[Struct](https://protobuf.dev/reference/protobuf/google.protobuf/#struct)` format)` \nOptional. Session specific memory which stores key conversation points.\n`userId` `string` \nRequired. Immutable. String id provided by the user \n`expiration` `Union type` \nThe expiration of the session. `expiration` can be only one of the following:\n`expireTime` `string (`[Timestamp](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp)` format)` \nOptional. timestamp of when this session is considered expired. This is *always* provided on output, regardless of what was sent on input.\n\nUses RFC 3339, where generated output will always be Z-normalized and uses 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`ttl` `string (`[Duration](https://protobuf.dev/reference/protobuf/google.protobuf/#duration)` format)` \nOptional. Input only. The TTL for this session.\n\nA duration in seconds with up to nine fractional digits, ending with '`s`'. Example: `\"3.5s\"`."]]
