# UpdateSession
Updates the metadata or encryption settings of a session. For more information about sessions, see [Store and retrieve conversation history and context with Amazon Bedrock sessions](https://docs.aws.amazon.com/bedrock/latest/userguide/sessions.html).
## Request Syntax
```
PUT /sessions/sessionIdentifier/ HTTP/1.1
Content-type: application/json
{
"sessionMetadata": {
"string" : "string"
}
}
```
## URI Request Parameters
The request uses the following URI parameters.
** [sessionIdentifier](#API_agent-runtime_UpdateSession_RequestSyntax) **
The unique identifier of the session to modify. You can specify either the session's `sessionId` or its Amazon Resource Name (ARN).
Pattern: `(arn:aws(-[^:]+)?:bedrock:[a-z0-9-]+:[0-9]{12}:session/[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12})|([a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12})`
Required: Yes
## Request Body
The request accepts the following data in JSON format.
** [sessionMetadata](#API_agent-runtime_UpdateSession_RequestSyntax) **
A map of key-value pairs containing attributes to be persisted across the session. For example the user's ID, their language preference, and the type of device they are using.
Type: String to string map
Map Entries: Minimum number of 0 items. Maximum number of 50 items.
Key Length Constraints: Minimum length of 1. Maximum length of 100.
Value Length Constraints: Minimum length of 0. Maximum length of 5000.
Required: No
## Response Syntax
```
HTTP/1.1 200
Content-type: application/json
{
"createdAt": "string",
"lastUpdatedAt": "string",
"sessionArn": "string",
"sessionId": "string",
"sessionStatus": "string"
}
```
## Response Elements
If the action is successful, the service sends back an HTTP 200 response.
The following data is returned in JSON format by the service.
** [createdAt](#API_agent-runtime_UpdateSession_ResponseSyntax) **
The timestamp for when the session was created.
Type: Timestamp
** [lastUpdatedAt](#API_agent-runtime_UpdateSession_ResponseSyntax) **
The timestamp for when the session was last modified.
Type: Timestamp
** [sessionArn](#API_agent-runtime_UpdateSession_ResponseSyntax) **
The Amazon Resource Name (ARN) of the session that was updated.
Type: String
Pattern: `arn:aws(-[^:]+)?:bedrock:[a-z0-9-]+:[0-9]{12}:session/[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}`
** [sessionId](#API_agent-runtime_UpdateSession_ResponseSyntax) **
The unique identifier of the session you updated.
Type: String
Pattern: `[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}`
** [sessionStatus](#API_agent-runtime_UpdateSession_ResponseSyntax) **
The status of the session you updated.
Type: String
Valid Values: `ACTIVE | EXPIRED | ENDED`
## Errors
For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).
** AccessDeniedException **
The request is denied because of missing access permissions. Check your permissions and retry your request.
HTTP Status Code: 403
** ConflictException **
There was a conflict performing an operation. Resolve the conflict and retry your request.
HTTP Status Code: 409
** InternalServerException **
An internal server error occurred. Retry your request.
** reason **
The reason for the exception. If the reason is `BEDROCK_MODEL_INVOCATION_SERVICE_UNAVAILABLE`, the model invocation service is unavailable. Retry your request.
HTTP Status Code: 500
** ResourceNotFoundException **
The specified resource Amazon Resource Name (ARN) was not found. Check the Amazon Resource Name (ARN) and try your request again.
HTTP Status Code: 404
** ThrottlingException **
The number of requests exceeds the limit. Resubmit your request later.
HTTP Status Code: 429
** ValidationException **
Input validation failed. Check your request parameters and retry the request.
HTTP Status Code: 400
## Examples
### Example request
This example illustrates one usage of UpdateSession.
```
PUT bedrock-agent-runtime.us-east-1.amazonaws.com/sessions/12345abc-1234-abcd-1234-abcdef123456/ HTTP/1.1
Content-type: application/json
{
"sessionMetadata": {
"userLanguage" : "French"
}
}
```
## See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following:
+ [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/bedrock-agent-runtime-2023-07-26/UpdateSession)
+ [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-agent-runtime-2023-07-26/UpdateSession)