文件 AWS 開發套件範例 GitHub 儲存庫中有更多可用的 [AWS SDK 範例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 使用適用於 Swift 的 SDK 的 IAM 範例
<a name="swift_1_iam_code_examples"></a>

下列程式碼範例示範如何使用適用於 Swift 的 AWS SDK 搭配 IAM 來執行動作和實作常見案例。

*Actions* 是大型程式的程式碼摘錄，必須在內容中執行。雖然動作會告訴您如何呼叫個別服務函數，但您可以在其相關情境中查看內容中的動作。

每個範例均包含完整原始碼的連結，您可在連結中找到如何設定和執行內容中程式碼的相關指示。

**Topics**
+ [動作](#actions)

## 動作
<a name="actions"></a>

### `AttachRolePolicy`
<a name="iam_AttachRolePolicy_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `AttachRolePolicy`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func attachRolePolicy(role: String, policyArn: String) async throws {
        let input = AttachRolePolicyInput(
            policyArn: policyArn,
            roleName: role
        )
        do {
            _ = try await client.attachRolePolicy(input: input)
        } catch {
            print("ERROR: Attaching a role policy:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [AttachRolePolicy](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/attachrolepolicy(input:))。

### `CreateAccessKey`
<a name="iam_CreateAccessKey_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `CreateAccessKey`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func createAccessKey(userName: String) async throws -> IAMClientTypes.AccessKey {
        let input = CreateAccessKeyInput(
            userName: userName
        )
        do {
            let output = try await iamClient.createAccessKey(input: input)
            guard let accessKey = output.accessKey else {
                throw ServiceHandlerError.keyError
            }
            return accessKey
        } catch {
            print("ERROR: createAccessKey:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [CreateAccessKey](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/createaccesskey(input:))。

### `CreatePolicy`
<a name="iam_CreatePolicy_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `CreatePolicy`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func createPolicy(name: String, policyDocument: String) async throws -> IAMClientTypes.Policy {
        let input = CreatePolicyInput(
            policyDocument: policyDocument,
            policyName: name
        )
        do {
            let output = try await iamClient.createPolicy(input: input)
            guard let policy = output.policy else {
                throw ServiceHandlerError.noSuchPolicy
            }
            return policy
        } catch {
            print("ERROR: createPolicy:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [CreatePolicy](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/createpolicy(input:))。

### `CreateRole`
<a name="iam_CreateRole_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `CreateRole`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func createRole(name: String, policyDocument: String) async throws -> String {
        let input = CreateRoleInput(
            assumeRolePolicyDocument: policyDocument,
            roleName: name
        )
        do {
            let output = try await client.createRole(input: input)
            guard let role = output.role else {
                throw ServiceHandlerError.noSuchRole
            }
            guard let id = role.roleId else {
                throw ServiceHandlerError.noSuchRole
            }
            return id
        } catch {
            print("ERROR: createRole:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [CreateRole](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/createrole(input:))。

### `CreateServiceLinkedRole`
<a name="iam_CreateServiceLinkedRole_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `CreateServiceLinkedRole`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func createServiceLinkedRole(service: String, suffix: String? = nil, description: String?)
                    async throws -> IAMClientTypes.Role {
        let input = CreateServiceLinkedRoleInput(
            awsServiceName: service,
            customSuffix: suffix,
            description: description
        )
        do {
            let output = try await client.createServiceLinkedRole(input: input)
            guard let role = output.role else {
                throw ServiceHandlerError.noSuchRole
            }
            return role
        } catch {
            print("ERROR: createServiceLinkedRole:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [CreateServiceLinkedRole](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/createservicelinkedrole(input:))。

### `CreateUser`
<a name="iam_CreateUser_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `CreateUser`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func createUser(name: String) async throws -> String {
        let input = CreateUserInput(
            userName: name
        )
        do {
            let output = try await client.createUser(input: input)
            guard let user = output.user else {
                throw ServiceHandlerError.noSuchUser
            }
            guard let id = user.userId else {
                throw ServiceHandlerError.noSuchUser
            }
            return id
        } catch {
            print("ERROR: createUser:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [CreateUser](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/createuser(input:))。

### `DeleteAccessKey`
<a name="iam_DeleteAccessKey_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `DeleteAccessKey`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func deleteAccessKey(user: IAMClientTypes.User? = nil,
                                key: IAMClientTypes.AccessKey) async throws
    {
        let userName: String?

        if user != nil {
            userName = user!.userName
        } else {
            userName = nil
        }

        let input = DeleteAccessKeyInput(
            accessKeyId: key.accessKeyId,
            userName: userName
        )
        do {
            _ = try await iamClient.deleteAccessKey(input: input)
        } catch {
            print("ERROR: deleteAccessKey:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [DeleteAccessKey](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/deleteaccesskey(input:))。

### `DeletePolicy`
<a name="iam_DeletePolicy_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `DeletePolicy`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func deletePolicy(policy: IAMClientTypes.Policy) async throws {
        let input = DeletePolicyInput(
            policyArn: policy.arn
        )
        do {
            _ = try await iamClient.deletePolicy(input: input)
        } catch {
            print("ERROR: deletePolicy:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [DeletePolicy](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/deletepolicy(input:))。

### `DeleteRole`
<a name="iam_DeleteRole_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `DeleteRole`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func deleteRole(role: IAMClientTypes.Role) async throws {
        let input = DeleteRoleInput(
            roleName: role.roleName
        )
        do {
            _ = try await iamClient.deleteRole(input: input)
        } catch {
            print("ERROR: deleteRole:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [DeleteRole](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/deleterole(input:))。

### `DeleteUser`
<a name="iam_DeleteUser_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `DeleteUser`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func deleteUser(user: IAMClientTypes.User) async throws {
        let input = DeleteUserInput(
            userName: user.userName
        )
        do {
            _ = try await iamClient.deleteUser(input: input)
        } catch {
            print("ERROR: deleteUser:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [DeleteUser](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/deleteuser(input:))。

### `DeleteUserPolicy`
<a name="iam_DeleteUserPolicy_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `DeleteUserPolicy`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    func deleteUserPolicy(user: IAMClientTypes.User, policyName: String) async throws {
        let input = DeleteUserPolicyInput(
            policyName: policyName,
            userName: user.userName
        )
        do {
            _ = try await iamClient.deleteUserPolicy(input: input)
        } catch {
            print("ERROR: deleteUserPolicy:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [DeleteUserPolicy](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/deleteuserpolicy(input:))。

### `DetachRolePolicy`
<a name="iam_DetachRolePolicy_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `DetachRolePolicy`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func detachRolePolicy(policy: IAMClientTypes.Policy, role: IAMClientTypes.Role) async throws {
        let input = DetachRolePolicyInput(
            policyArn: policy.arn,
            roleName: role.roleName
        )

        do {
            _ = try await iamClient.detachRolePolicy(input: input)
        } catch {
            print("ERROR: detachRolePolicy:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱*《AWS SDK for Rust API 參考》*中的 [DetachRolePolicy](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/detachrolepolicy(input:))。

### `GetPolicy`
<a name="iam_GetPolicy_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `GetPolicy`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func getPolicy(arn: String) async throws -> IAMClientTypes.Policy {
        let input = GetPolicyInput(
            policyArn: arn
        )
        do {
            let output = try await client.getPolicy(input: input)
            guard let policy = output.policy else {
                throw ServiceHandlerError.noSuchPolicy
            }
            return policy
        } catch {
            print("ERROR: getPolicy:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [GetPolicy](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/getpolicy(input:))。

### `GetRole`
<a name="iam_GetRole_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `GetRole`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func getRole(name: String) async throws -> IAMClientTypes.Role {
        let input = GetRoleInput(
            roleName: name
        )
        do {
            let output = try await client.getRole(input: input)
            guard let role = output.role else {
                throw ServiceHandlerError.noSuchRole
            }
            return role
        } catch {
            print("ERROR: getRole:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [GetRole](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/getrole(input:))。

### `GetUser`
<a name="iam_GetUser_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `GetUser`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func getUser(name: String? = nil) async throws -> IAMClientTypes.User {
        let input = GetUserInput(
            userName: name
        )
        do {
            let output = try await iamClient.getUser(input: input)
            guard let user = output.user else {
                throw ServiceHandlerError.noSuchUser
            }
            return user
        } catch {
            print("ERROR: getUser:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [GetUser](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/getuser(input:))。

### `ListAttachedRolePolicies`
<a name="iam_ListAttachedRolePolicies_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `ListAttachedRolePolicies`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3



    /// Returns a list of AWS Identity and Access Management (IAM) policies
    /// that are attached to the role.
    ///
    /// - Parameter role: The IAM role to return the policy list for.
    ///
    /// - Returns: An array of `IAMClientTypes.AttachedPolicy` objects
    ///   describing each managed policy that's attached to the role.
    public func listAttachedRolePolicies(role: String) async throws -> [IAMClientTypes.AttachedPolicy] {
        var policyList: [IAMClientTypes.AttachedPolicy] = []

        // Use "Paginated" to get all the attached role polices.
        // This lets the SDK handle the 'isTruncated' in "ListAttachedRolePoliciesOutput".
        let input = ListAttachedRolePoliciesInput(
            roleName: role
        )
        let output = client.listAttachedRolePoliciesPaginated(input: input)

        do {
            for try await page in output {
                guard let attachedPolicies = page.attachedPolicies else {
                    print("Error: no attached policies returned.")
                    continue
                }
                for attachedPolicy in attachedPolicies {
                    policyList.append(attachedPolicy)
                }
            }
        } catch {
            print("ERROR: listAttachedRolePolicies:", dump(error))
            throw error
        }

        return policyList
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [ListAttachedRolePolicies](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/listattachedrolepolicies(input:))。

### `ListGroups`
<a name="iam_ListGroups_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `ListGroups`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func listGroups() async throws -> [String] {
        var groupList: [String] = []

        // Use "Paginated" to get all the groups.
        // This lets the SDK handle the 'isTruncated' property in "ListGroupsOutput".
        let input = ListGroupsInput()

        let pages = client.listGroupsPaginated(input: input)
        do {
            for try await page in pages {
                guard let groups = page.groups else {
                    print("Error: no groups returned.")
                    continue
                }

                for group in groups {
                    if let name = group.groupName {
                        groupList.append(name)
                    }
                }
            }
        } catch {
            print("ERROR: listGroups:", dump(error))
            throw error
        }
        return groupList
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [ListGroups](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/listgroups(input:))。

### `ListPolicies`
<a name="iam_ListPolicies_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `ListPolicies`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func listPolicies() async throws -> [MyPolicyRecord] {
        var policyList: [MyPolicyRecord] = []

        // Use "Paginated" to get all the policies.
        // This lets the SDK handle the 'isTruncated' in "ListPoliciesOutput".
        let input = ListPoliciesInput()
        let output = client.listPoliciesPaginated(input: input)

        do {
            for try await page in output {
                guard let policies = page.policies else {
                    print("Error: no policies returned.")
                    continue
                }

                for policy in policies {
                    guard let name = policy.policyName,
                          let id = policy.policyId,
                          let arn = policy.arn
                    else {
                        throw ServiceHandlerError.noSuchPolicy
                    }
                    policyList.append(MyPolicyRecord(name: name, id: id, arn: arn))
                }
            }
        } catch {
            print("ERROR: listPolicies:", dump(error))
            throw error
        }

        return policyList
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [ListPolicies](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/listpolicies(input:))。

### `ListRolePolicies`
<a name="iam_ListRolePolicies_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `ListRolePolicies`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func listRolePolicies(role: String) async throws -> [String] {
        var policyList: [String] = []

        // Use "Paginated" to get all the role policies.
        // This lets the SDK handle the 'isTruncated' in "ListRolePoliciesOutput".
        let input = ListRolePoliciesInput(
            roleName: role
        )
        let pages = client.listRolePoliciesPaginated(input: input)

        do {
            for try await page in pages {
                guard let policies = page.policyNames else {
                    print("Error: no role policies returned.")
                    continue
                }

                for policy in policies {
                    policyList.append(policy)
                }
            }
        } catch {
            print("ERROR: listRolePolicies:", dump(error))
            throw error
        }
        return policyList
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [ListRolePolicies](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/listrolepolicies(input:))。

### `ListRoles`
<a name="iam_ListRoles_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `ListRoles`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func listRoles() async throws -> [String] {
        var roleList: [String] = []

        // Use "Paginated" to get all the roles.
        // This lets the SDK handle the 'isTruncated' in "ListRolesOutput".
        let input = ListRolesInput()
        let pages = client.listRolesPaginated(input: input)

        do {
            for try await page in pages {
                guard let roles = page.roles else {
                    print("Error: no roles returned.")
                    continue
                }

                for role in roles {
                    if let name = role.roleName {
                        roleList.append(name)
                    }
                }
            }
        } catch {
            print("ERROR: listRoles:", dump(error))
            throw error
        }
        return roleList
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [ListRoles](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/listroles(input:))。

### `ListUsers`
<a name="iam_ListUsers_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `ListUsers`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    public func listUsers() async throws -> [MyUserRecord] {
        var userList: [MyUserRecord] = []
        
        // Use "Paginated" to get all the users.
        // This lets the SDK handle the 'isTruncated' in "ListUsersOutput".
        let input = ListUsersInput()
        let output = client.listUsersPaginated(input: input)

        do {
            for try await page in output {
                guard let users = page.users else {
                    continue
                }
                for user in users {
                    if let id = user.userId, let name = user.userName {
                        userList.append(MyUserRecord(id: id, name: name))
                    }
                }
            }
        }
        catch {
            print("ERROR: listUsers:", dump(error))
            throw error
        }
       return userList
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [ListUsers](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/listusers(input:))。

### `PutUserPolicy`
<a name="iam_PutUserPolicy_swift_1_topic"></a>

以下程式碼範例顯示如何使用 `PutUserPolicy`。

**適用於 Swift 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/swift/example_code/iam#code-examples)中設定和執行。

```
import AWSIAM
import AWSS3


    func putUserPolicy(policyDocument: String, policyName: String, user: IAMClientTypes.User) async throws {
        let input = PutUserPolicyInput(
            policyDocument: policyDocument,
            policyName: policyName,
            userName: user.userName
        )
        do {
            _ = try await iamClient.putUserPolicy(input: input)
        } catch {
            print("ERROR: putUserPolicy:", dump(error))
            throw error
        }
    }
```
+  如需 API 詳細資訊，請參閱 *AWS SDK for Swift API reference* 中的 [PutUserPolicy](https://sdk.amazonaws.com/swift/api/awsiam/latest/documentation/awsiam/iamclient/putuserpolicy(input:))。