Building JSON POST request in powershell with an array item

[blpcrs]

Hi all, I am new to this and not 100% sure on syntax, what I am trying to do this

$body = @"
{
   "name":"keyName[0]"
}
"@

but this seems to send all the items within keyName and [0] as the last item within the request, rather than just the first item. What am I missing? thanks in advance!

 

[blister911]

What are you trying to do, create an array?
Please be specific and include an example of what you're entering and what you expect to get out of the code.

## Declare the array
$array = @()

## Create an object
$New_Obj = New-Object -TypeName PSObject
$New_Obj | Add-Member -Name 'City' -MemberType Noteproperty -Value 'Dallas'
$New_Obj | Add-Member -Name 'State' -MemberType Noteproperty -Value 'Texas'
$New_Obj | Add-Member -Name 'Zip' -MemberType Noteproperty -Value '75001'

## Put the object into the array
$array += $New_Obj

## Display all the items in the array
$array | Format-Table


Light travels faster than sound. That's why some people appear bright until you hear them speak.

 

[blpcrs]

I have the array, I am trying to write the items of the array to a JSON body for a REST API Call. Note: The array in an incoming Param to the powershell script.
If the array has 3 items in it, John, Frank, Sam, and I just want John. The code below sends the name tag in JSON as "John Frank Doe [0]" rather than "name":"John"

param (
    [string]$Run = 100, 
    [parameter(Mandatory=$true,ValueFromRemainingArguments=$true)]
    [string[]]$keyName,
    [string]$FinalCase = "True"
)

.....

$body = @"
{
   "name":"keyName[0]"
}
"@ 

Invoke-RestMethod -Method POST -Uri $url -Header $dict -ContentType $contentType -Body $body

 

[blpcrs]

Figured out the syntax, thx all!

$body = @"
{
   "name":"$($keyName[2])"
}
"@