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通过函数计算的Custom Runtime，您可以使用PowerShell 7.1在函数计算平台编写函数。本文介绍快速部署和调用PowerShell函数的详细步骤。您可以修改Powershell示例中的代码实现二次开发，满足您的需求。

前提条件

您已完成以下操作：

操作步骤

在目标目录中，执行以下命令，初始化项目。
```
s init start-fc-custom-samples -d start-fc-custom-samples
```

执行以下命令，进入项目目录。

cd start-fc-custom-samples/powershell/event-demo/

执行以下命令，部署项目。

s deploy -y

输出示例：

[2021-09-08T15:58:14.658] [INFO ] [S-CLI] - Start ...
[2021-09-08T15:58:15.771] [INFO ] [FC-DEPLOY] - Using region: cn-hangzhou
[2021-09-08T15:58:15.772] [INFO ] [FC-DEPLOY] - Using access alias: default
[2021-09-08T15:58:15.772] [INFO ] [FC-DEPLOY] - Using accessKeyID: 188077086902****
[2021-09-08T15:58:15.772] [INFO ] [FC-DEPLOY] - Using accessKeySecret: LTAI4G4cwJkK4Rza6xd9****
  Using fc deploy type: sdk, If you want to deploy with pulumi, you can [s cli fc-default set deploy-type pulumi] to switch.
[2021-09-08T15:58:16.444] [INFO ] [FC-DEPLOY] - Checking Service custom-demo exists
[2021-09-08T15:58:16.738] [INFO ] [FC-DEPLOY] - Checking Function powershellEventFunc exists
  Make service custom-demo success.
  Make function custom-demo/powershellEventFunc success.
[2021-09-08T15:58:17.827] [INFO ] [FC-DEPLOY] - Checking Service custom-demo exists
[2021-09-08T15:58:17.920] [INFO ] [FC-DEPLOY] - Checking Function powershellEventFunc exists

Tips for next step
======================
* Display information of the deployed resource: s info
* Display metrics: s metrics
* Display logs: s logs
* Invoke remote function: s invoke
* Remove Service: s remove service
* Remove Function: s remove function
* Remove Trigger: s remove trigger
* Remove CustomDomain: s remove domain

fc-powershell-demo-fc-powershell:
  region: cn-hangzhou
  service:
    name: custom-demo
  function:
    name: powershellEventFunc
    runtime: custom
    handler: index.handler
    memorySize: 512
    timeout: 3

执行以下命令，远程调用函数。

s invoke -e "hello"

输出示例：

[2021-09-09T16:41:37.765] [INFO ] [S-CLI] - Start ...
========= FC invoke Logs begin =========
FC Invoke Start RequestId: 8ce302bc-6eba-4607-abea-63b2e801e556
hello
FC Invoke End RequestId: 8ce302bc-6eba-4607-abea-63b2e801e556

Duration: 36.61 ms, Billed Duration: 37 ms, Memory Size: 512 MB, Max Memory Used: 110.18 MB
========= FC invoke Logs end =========

FC Invoke Result:
hello


End of method: invoke