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We are pleased to announce the new feature Dynamic Help in
PSReadLine 2.2.0-beta.2.
Features like TabCompletetion and the Help system make PowerShell easier to use. Expanding on that
theme, Dynamic Help provides just-in-time help at the command line. This experience allows you to
stay focused on your work in the terminal without losing your place typing on the pipeline.

Supported Releases

Dynamic Help is implemented and presented through the PSReadLine module. In an effort to bring the
benefits of Dynamic Help to the most users, Dynamic Help is supported down-level to Windows
PowerShell 5.1.

PSReadLine 2.2.0-beta2, including Dynamic Help, is supported in the following versions:

• Windows PowerShell 5.1
• PowerShell 7.0+

Install PSReadLine with Dynamic Help

To receive the benefits of Dynamic Help, download and install the PSReadLine module from PSGallery.

Install-Module PSReadLine -AllowPrerelease

Getting Cmdlet Help

Dynamic Help provides a view of full cmdlet help shown on an alternative screen buffer using a cross
platform Pager utility. PSReadLine maps the function ShowCommandHelp to the F1 key.

• When the cursor is at the end of a fully expanded cmdlet, pressing F1 displays the help for
  that cmdlet.
• When the cursor is at the end of a fully expanded parameter, pressing F1 displays the help
  beginning at the parameter.

The Pager in PSReadLine supports viewing content one screen at a time. To navigate the displayed
help content, press the up and down arrow keys to scroll the screen. Pressing Q exits the
alternative screen buffer and returns to the current cursor location in the the primary screen
buffer.

The Pager is a work in progress and we welcome your feedback and suggestions. To provide feedback
and for more information, see the Pager repository on GitHub.

Focused Parameter Help

Pressing the Alt-h key combination provides dynamic help for parameters. The help is shown below
the current command line like MenuComplete. The cursor must be at the end of the fully-expanded
parameter name when you press the Alt-h key.

Set-PSReadLineKeyHandler -chord "Ctrl-l" -Function ShowParameterHelp

Selection of Arguments

To rapidly select and change the arguments of a cmdlet without disturbing your syntax, press
Alt-a. Selection of arguments is scoped within a script block. Based on the cursor position, it
searches from the innermost script block to the outmost script block, and stops when it finds any
arguments in a script block scope.

Set-PSReadLineKeyHandler -chord "Ctrl-k" -function SelectCommandArgument

Feedback and Support

Community feedback is essential to the iterative development of PSReadLine and features like Dynamic
Help. Thank you for your continued support and engagement. To file issues for PSReadLine or Dynamic
Help, please visit the PSReadLine repository.

Jason Helmick

PowerShell Team

The post Announcing PSReadLine 2.2-beta.2 with Dynamic help appeared first on PowerShell Team.