> ## Documentation Index
> Fetch the complete documentation index at: https://cdkterrain-docs-node-22-19-prereqs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Java: CosBackendAssumeRole

> CDKTN Core API Reference for CosBackendAssumeRole in Java.

## Initializer <a name="Initializer" id="cdktn.CosBackendAssumeRole.Initializer" />

```java theme={null}
import io.cdktn.cdktn.CosBackendAssumeRole;

CosBackendAssumeRole.builder()
    .roleArn(java.lang.String)
    .sessionDuration(java.lang.Number)
    .sessionName(java.lang.String)
//  .policy(java.lang.Object)
    .build();
```

## Properties <a name="Properties" id="Properties" />

| **Name**                                                                                        | **Type**                      | **Description**                                                         |
| ----------------------------------------------------------------------------------------------- | ----------------------------- | ----------------------------------------------------------------------- |
| <code><a href="#cdktn.CosBackendAssumeRole.property.roleArn">roleArn</a></code>                 | <code>java.lang.String</code> | (Required) The ARN of the role to assume.                               |
| <code><a href="#cdktn.CosBackendAssumeRole.property.sessionDuration">sessionDuration</a></code> | <code>java.lang.Number</code> | (Required) The duration of the session when making the AssumeRole call. |
| <code><a href="#cdktn.CosBackendAssumeRole.property.sessionName">sessionName</a></code>         | <code>java.lang.String</code> | (Required) The session name to use when making the AssumeRole call.     |
| <code><a href="#cdktn.CosBackendAssumeRole.property.policy">policy</a></code>                   | <code>java.lang.Object</code> | (Optional) A more restrictive policy when making the AssumeRole call.   |

***

### `roleArn`<sup>Required</sup> <a name="roleArn" id="cdktn.CosBackendAssumeRole.property.roleArn" />

```java theme={null}
public java.lang.String getRoleArn();
```

* *Type:* java.lang.String

(Required) The ARN of the role to assume.

It can be sourced from the TENCENTCLOUD\_ASSUME\_ROLE\_ARN.

***

### `sessionDuration`<sup>Required</sup> <a name="sessionDuration" id="cdktn.CosBackendAssumeRole.property.sessionDuration" />

```java theme={null}
public java.lang.Number getSessionDuration();
```

* *Type:* java.lang.Number

(Required) The duration of the session when making the AssumeRole call.

Its value ranges from 0 to 43200(seconds), and default is 7200 seconds.
It can be sourced from the TENCENTCLOUD\_ASSUME\_ROLE\_SESSION\_DURATION.

***

### `sessionName`<sup>Required</sup> <a name="sessionName" id="cdktn.CosBackendAssumeRole.property.sessionName" />

```java theme={null}
public java.lang.String getSessionName();
```

* *Type:* java.lang.String

(Required) The session name to use when making the AssumeRole call.

It can be sourced from the TENCENTCLOUD\_ASSUME\_ROLE\_SESSION\_NAME.

***

### `policy`<sup>Optional</sup> <a name="policy" id="cdktn.CosBackendAssumeRole.property.policy" />

```java theme={null}
public java.lang.Object getPolicy();
```

* *Type:* java.lang.Object

(Optional) A more restrictive policy when making the AssumeRole call.

Its content must not contains principal elements.
Please refer to [policies syntax logic](https://www.tencentcloud.com/document/product/598/10603).

***