# 步驟 1：執行初始設定
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繼續進行之前，您必須：

1. 建立 AWS 帳戶。

1. 設定根使用者和管理使用者。

1. 設定 AWS IAM (Identity and Access Management) 許可。使用下面指定的政策。

如需上述各項的具體步驟，請參閱 *Amazon IVS 使用者指南*中的 [IVS 低延遲串流入門](https://docs.aws.amazon.com/ivs/latest/LowLatencyUserGuide/getting-started.html)。**重要事項**：在「步驟 3：設定 IAM 許可」中，請將此政策用於 IVS Chat：

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#### [ JSON ]

****  

```
{
   "Version":"2012-10-17",		 	 	 
   "Statement": [
      {
         "Effect": "Allow",
         "Action": [
            "ivschat:CreateChatToken",
            "ivschat:CreateLoggingConfiguration",
            "ivschat:CreateRoom",
            "ivschat:DeleteLoggingConfiguration",
            "ivschat:DeleteMessage",
            "ivschat:DeleteRoom",
            "ivschat:DisconnectUser",
            "ivschat:GetLoggingConfiguration",
            "ivschat:GetRoom",
            "ivschat:ListLoggingConfigurations",
            "ivschat:ListRooms",
            "ivschat:ListTagsForResource",
            "ivschat:SendEvent",
            "ivschat:TagResource",
            "ivschat:UntagResource",
            "ivschat:UpdateLoggingConfiguration",
            "ivschat:UpdateRoom"
          ],
          "Resource": "*"
      },
      {
         "Effect": "Allow",
         "Action": [
            "servicequotas:ListServiceQuotas",
            "servicequotas:ListServices",
            "servicequotas:ListAWSDefaultServiceQuotas",
            "servicequotas:ListRequestedServiceQuotaChangeHistoryByQuota",
            "servicequotas:ListTagsForResource",
            "cloudwatch:GetMetricData",
            "cloudwatch:DescribeAlarms"
         ],
         "Resource": "*"
      },
      {
         "Effect": "Allow",
         "Action": [
            "logs:CreateLogDelivery",
            "logs:GetLogDelivery",
            "logs:UpdateLogDelivery",
            "logs:DeleteLogDelivery",
            "logs:ListLogDeliveries",
            "logs:PutResourcePolicy",
            "logs:DescribeResourcePolicies",
            "logs:DescribeLogGroups",
            "s3:PutBucketPolicy",
            "s3:GetBucketPolicy",
            "iam:CreateServiceLinkedRole",
            "firehose:TagDeliveryStream"
         ],
         "Resource": "*"
      }
   ]
}
```

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