// Initialize client
cli := ecs.NewClient(
    "Your Access Key Id",
    "Your Access Key Secret",
    "ResourceOwnerAccount", // optional, set to empty string if it's no need for you
)

// Perform request
result, err := cli.SecurityGroup.DescribeSecurityGroupAttribute(map[string]interface{}{
    "RegionId":        "cn-beijing",
    "SecurityGroupId": "sg-25rh80j7f",
})

if err != nil {
    log.Error(err)
    return
}
log.Info(result)