> ## Documentation Index
> Fetch the complete documentation index at: https://tally.wharflab.com/llms.txt
> Use this file to discover all available pages before exploring further.

# powershell/PSUseCmdletCorrectly

> Use Cmdlet Correctly

`powershell/PSUseCmdletCorrectly` is a PSScriptAnalyzer diagnostic emitted by tally for PowerShell snippets embedded in Dockerfiles.

| Property | Value            |
| -------- | ---------------- |
| Severity | Warning          |
| Category | PSScriptAnalyzer |
| Auto-fix | No               |

## Description

Whenever we call a command, care should be taken that it is invoked with the correct syntax and
parameters.

## How

Specify all mandatory parameters when calling commands.

## Examples

### Problematic code

```powershell theme={null}
Function Set-TodaysDate ()
{
    Set-Date
    ...
}
```

### Correct code

```powershell theme={null}
Function Set-TodaysDate ()
{
    $date = Get-Date
    Set-Date -Date $date
    ...
}
```

## Source

This rule documentation is adapted from Microsoft's PSScriptAnalyzer documentation for
[UseCmdletCorrectly](https://github.com/MicrosoftDocs/PowerShell-Docs-Modules/blob/main/reference/docs-conceptual/PSScriptAnalyzer/Rules/UseCmdletCorrectly.md),
licensed under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).