public MapField<string, Value> Parameters { get; }
Optional for
[WebhookRequest][google.cloud.dialogflow.cx.v3.WebhookRequest]. Optional
for [WebhookResponse][google.cloud.dialogflow.cx.v3.WebhookResponse]. All
parameters collected from forms and intents during the session. Parameters
can be created, updated, or removed by the webhook. To remove a parameter
from the session, the webhook should explicitly set the parameter value to
null in [WebhookResponse][google.cloud.dialogflow.cx.v3.WebhookResponse].
The map is keyed by parameters' display names.
Always present for
[WebhookRequest][google.cloud.dialogflow.cx.v3.WebhookRequest]. Ignored for
[WebhookResponse][google.cloud.dialogflow.cx.v3.WebhookResponse]. The
unique identifier of the
[session][google.cloud.dialogflow.cx.v3.DetectIntentRequest.session]. This
field can be used by the webhook to identify a session.
Format:
projects/<ProjectID>/locations/<LocationID>/agents/<AgentID>/sessions/<SessionID>
or
projects/<ProjectID>/locations/<LocationID>/agents/<AgentID>/environments/<EnvironmentID>/sessions/<SessionID>
if environment is specified.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version of the \u003ccode\u003eSessionInfo\u003c/code\u003e class for the Dialogflow v3 API is 2.23.0, with a full list of previous versions available ranging from 1.0.0 to the present release.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eSessionInfo\u003c/code\u003e class represents session information that is communicated between the webhook and is used within the Dialogflow v3 API.\u003c/p\u003e\n"],["\u003cp\u003eThis \u003ccode\u003eSessionInfo\u003c/code\u003e class implements several interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eSessionInfo\u003c/code\u003e class contains properties such as \u003ccode\u003eParameters\u003c/code\u003e, which allows the collection, updating, or removal of parameters, and \u003ccode\u003eSession\u003c/code\u003e, which is the unique identifier for the session.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eSessionInfo\u003c/code\u003e class has both a parameterless constructor, as well as a constructor that takes another \u003ccode\u003eSessionInfo\u003c/code\u003e object as a parameter.\u003c/p\u003e\n"]]],[],null,["# Dialogflow v3 API - Class SessionInfo (2.24.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.24.0 (latest)](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/latest/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.23.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.23.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.22.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.22.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.21.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.21.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.20.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.20.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.19.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.19.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.18.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.18.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.17.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.17.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.16.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.16.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.15.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.15.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.14.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.14.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.13.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.13.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.12.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.12.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.11.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.11.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.10.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.10.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.9.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.9.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.8.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.8.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.7.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.7.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.6.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.6.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.5.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.5.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.4.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.4.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.3.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.3.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.2.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.2.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.1.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.1.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [2.0.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/2.0.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.13.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.13.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.12.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.12.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.11.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.11.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.10.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.10.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.9.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.9.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.8.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.8.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.7.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.7.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.6.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.6.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.5.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.5.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.4.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.4.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.3.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.3.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.2.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.2.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.1.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.1.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo)\n- [1.0.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/1.0.0/Google.Cloud.Dialogflow.Cx.V3.SessionInfo) \n\n public sealed class SessionInfo : IMessage\u003cSessionInfo\u003e, IEquatable\u003cSessionInfo\u003e, IDeepCloneable\u003cSessionInfo\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Dialogflow v3 API class SessionInfo.\n\nRepresents session information communicated to and from the webhook. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e SessionInfo \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[SessionInfo](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/latest/Google.Cloud.Dialogflow.Cx.V3.SessionInfo), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[SessionInfo](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/latest/Google.Cloud.Dialogflow.Cx.V3.SessionInfo), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[SessionInfo](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/latest/Google.Cloud.Dialogflow.Cx.V3.SessionInfo), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.Dialogflow.Cx.V3](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/latest/Google.Cloud.Dialogflow.Cx.V3)\n\nAssembly\n--------\n\nGoogle.Cloud.Dialogflow.Cx.V3.dll\n\nConstructors\n------------\n\n### SessionInfo()\n\n public SessionInfo()\n\n### SessionInfo(SessionInfo)\n\n public SessionInfo(SessionInfo other)\n\nProperties\n----------\n\n### Parameters\n\n public MapField\u003cstring, Value\u003e Parameters { get; }\n\nOptional for\n\\[WebhookRequest\\]\\[google.cloud.dialogflow.cx.v3.WebhookRequest\\]. Optional\nfor \\[WebhookResponse\\]\\[google.cloud.dialogflow.cx.v3.WebhookResponse\\]. All\nparameters collected from forms and intents during the session. Parameters\ncan be created, updated, or removed by the webhook. To remove a parameter\nfrom the session, the webhook should explicitly set the parameter value to\nnull in \\[WebhookResponse\\]\\[google.cloud.dialogflow.cx.v3.WebhookResponse\\].\nThe map is keyed by parameters' display names.\n\n### Session\n\n public string Session { get; set; }\n\nAlways present for\n\\[WebhookRequest\\]\\[google.cloud.dialogflow.cx.v3.WebhookRequest\\]. Ignored for\n\\[WebhookResponse\\]\\[google.cloud.dialogflow.cx.v3.WebhookResponse\\]. The\nunique identifier of the\n\\[session\\]\\[google.cloud.dialogflow.cx.v3.DetectIntentRequest.session\\]. This\nfield can be used by the webhook to identify a session.\nFormat:\n`projects/\u003cProjectID\u003e/locations/\u003cLocationID\u003e/agents/\u003cAgentID\u003e/sessions/\u003cSessionID\u003e`\nor\n`projects/\u003cProjectID\u003e/locations/\u003cLocationID\u003e/agents/\u003cAgentID\u003e/environments/\u003cEnvironmentID\u003e/sessions/\u003cSessionID\u003e`\nif environment is specified.\n\n### SessionAsSessionName\n\n public SessionName SessionAsSessionName { get; set; }\n\n[SessionName](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/latest/Google.Cloud.Dialogflow.Cx.V3.SessionName)-typed view over the [Session](/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/latest/Google.Cloud.Dialogflow.Cx.V3.SessionInfo#Google_Cloud_Dialogflow_Cx_V3_SessionInfo_Session) resource name property."]]
