[Solved] Why does the following function not receive any input when piped data is sent to it?function Display-Data { param($Data) process { Write-Output $Data } } 1,2,3 | Display-Data | PowerShell

PowerShell - Functions

Why does the following function not receive any input when piped data is sent to it?

function Display-Data {
  param($Data)
  process { Write-Output $Data }
}
1,2,3 | Display-Data

ABecause the pipeline input must be assigned to a variable named 'Input'.

BBecause the process block is missing.

CBecause the function does not have a begin block.

DBecause the parameter lacks <code>ValueFromPipeline=$true</code> attribute.

Step-by-Step Solution

Solution:

Step 1: Check parameter attributes
The parameter $Data does not have ValueFromPipeline=$true.
Step 2: Effect of missing attribute
Without this attribute, the function does not accept pipeline input.
Final Answer:
Because the parameter lacks ValueFromPipeline=$true attribute. -> Option D
Quick Check:
Parameter must have ValueFromPipeline=$true to accept pipeline input [OK]

Quick Trick: Parameter needs ValueFromPipeline=$true to accept pipeline input [OK]

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Why does the following function not receive any input when piped data is sent to it?