SharePoint Online: Add Currency Column to List using PowerShell

Requirement: Add Currency Column to SharePoint Online List

How to Create Currency Field in SharePoint Online List?
Similar to Number field, The Currency column in SharePoint Online is used to capture currency values as metadata and adds currency formatting options.

• Browse to your SharePoint Online site and Navigate to the target list in which you want to add Currency column.
• Under the List tab, click on "Create Column" button in the ribbon.
• Provide the Name to your new column, specify the type as "Currency"
  
• Scroll down  Fill other optional values such as Minimum and Maximum values, decimal places, Currency format, etc and Click on "OK" to create Currency field in SharePoint Online list.

PowerShell to Add Currency Column to List in SharePoint Online

#Load SharePoint CSOM Assemblies
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll"
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"

#Custom function to add column to list
Function Add-CurrencyColumnToList()
{ 
    param
    (
        [Parameter(Mandatory=$true)] [string] $SiteURL,
        [Parameter(Mandatory=$true)] [string] $ListName,
        [Parameter(Mandatory=$true)] [string] $Name,
        [Parameter(Mandatory=$true)] [string] $DisplayName,
        [Parameter(Mandatory=$false)] [string] $Description="",
        [Parameter(Mandatory=$false)] [string] $IsRequired = "FALSE",
        [Parameter(Mandatory=$false)] [string] $EnforceUniqueValues = "FALSE"
    )

    #Generate new GUID for Field ID
    $FieldID = New-Guid

    Try {
        $Cred= Get-Credential
        $Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Cred.Username, $Cred.Password)

        #Setup the context
        $Ctx = New-Object Microsoft.SharePoint.Client.ClientContext($SiteURL)
        $Ctx.Credentials = $Credentials
        
        #Get the List
        $List = $Ctx.Web.Lists.GetByTitle($ListName)
        $Ctx.Load($List)
        $Ctx.ExecuteQuery()

        #Check if the column exists in list already
        $Fields = $List.Fields
        $Ctx.Load($Fields)
        $Ctx.executeQuery()
        $NewField = $Fields | where { ($_.Internalname -eq $Name) -or ($_.Title -eq $DisplayName) }
        if($NewField -ne $NULL)  
        {
            Write-host "Column $Name already exists in the List!" -f Yellow
        }
        else
        {
            $FieldSchema = "<Field Type='Currency' ID='{$FieldID}' DisplayName='$DisplayName' Name='$Name' Description='$Description' Required='$IsRequired' EnforceUniqueValues='$EnforceUniqueValues'/>"
            $NewField = $List.Fields.AddFieldAsXml($FieldSchema,$True,[Microsoft.SharePoint.Client.AddFieldOptions]::AddFieldInternalNameHint)
            $Ctx.ExecuteQuery()    

            Write-host "New Column Added to the List Successfully!" -ForegroundColor Green  
        }
    }
    Catch {
        write-host -f Red "Error Adding Column to List!" $_.Exception.Message
    }
} 

#Set parameter values
$SiteURL="https://crescent.sharepoint.com"
$ListName="Projects"
$Name="TotalInvestment"
$DisplayName="Total Investment"
$Description="Enter the Total Investment"

#Call the function to add column to list
Add-CurrencyColumnToList -SiteURL $SiteURL -ListName $ListName -Name $Name -DisplayName $DisplayName -Description $Description 

To support additional parameters, such as Minimum & Maximum values, Decimal places, Currency format, You can add them to the parameters and to the field schema. Here is the script:

#Load SharePoint CSOM Assemblies
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll"
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"

#Custom function to add column to list
Function Add-CurrencyColumnToList()
{ 
    param
    (
        [Parameter(Mandatory=$true)] [string] $SiteURL,
        [Parameter(Mandatory=$true)] [string] $ListName,
        [Parameter(Mandatory=$true)] [string] $Name,
        [Parameter(Mandatory=$true)] [string] $DisplayName,
        [Parameter(Mandatory=$false)] [string] $Description="",
        [Parameter(Mandatory=$false)] [string] $IsRequired = "FALSE",
        [Parameter(Mandatory=$false)] [string] $EnforceUniqueValues = "FALSE",
        [Parameter(Mandatory=$true)] [string] $Min,
        [Parameter(Mandatory=$true)] [string] $Max,
        [Parameter(Mandatory=$true)] [string] $Decimals,
        [Parameter(Mandatory=$true)] [string] $LCID
    )

    #Generate new GUID for Field ID
    $FieldID = New-Guid

    Try {
        $Cred= Get-Credential
        $Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Cred.Username, $Cred.Password)

        #Setup the context
        $Ctx = New-Object Microsoft.SharePoint.Client.ClientContext($SiteURL)
        $Ctx.Credentials = $Credentials
        
        #Get the List
        $List = $Ctx.Web.Lists.GetByTitle($ListName)
        $Ctx.Load($List)
        $Ctx.ExecuteQuery()

        #Check if the column exists in list already
        $Fields = $List.Fields
        $Ctx.Load($Fields)
        $Ctx.executeQuery()
        $NewField = $Fields | where { ($_.Internalname -eq $Name) -or ($_.Title -eq $DisplayName) }
        if($NewField -ne $NULL)  
        {
            Write-host "Column $Name already exists in the List!" -f Yellow
        }
        else
        {
            $FieldSchema = "<Field Type='Currency' ID='{$FieldID}' DisplayName='$DisplayName' Name='$Name' Description='$Description' Required='$IsRequired' EnforceUniqueValues='$EnforceUniqueValues' Min='$Min' Max='$Max' Decimals='$Decimals' LCID='$LCID' />"
            
            $NewField = $List.Fields.AddFieldAsXml($FieldSchema,$True,[Microsoft.SharePoint.Client.AddFieldOptions]::AddFieldInternalNameHint)
            $Ctx.ExecuteQuery()    

            Write-host "New Column Added to the List Successfully!" -ForegroundColor Green  
        }
    }
    Catch {
        write-host -f Red "Error Adding Column to List!" $_.Exception.Message
    }
} 

#Set parameter values
$SiteURL="https://crescent.sharepoint.com"
$ListName="Projects"
$Name="TotalInvestment"
$DisplayName="Total Investment"
$Description="Enter the Total Investment"
$Min="1"
$Max="100000"
$Decimals="2"
$LCID="1081" #India

#Call the function to add column to list
Add-CurrencyColumnToList -SiteURL $SiteURL -ListName $ListName -Name $Name -DisplayName $DisplayName -Description $Description -Min $Min -Max $Max -Decimals $Decimals -LCID $LCID 

PnP PowerShell to Add Currency Column to SharePoint Online List

#Config Variables
$SiteURL = "https://crescenttech.sharepoint.com/sites/marketing"
$ListName= "Projects"

#Connect to PnP Online
Connect-PnPOnline -Url $SiteURL -Credentials (Get-Credential)

#Add currency Field to list
Add-PnPField -Type Currency -List $ListName -DisplayName "Total Budget" -InternalName "TotalBudget" -AddToDefaultView

Similarly, you can add currency field from XML schema

#Define XML Schema for currency Field
$FieldXML= "<Field Type='Currency' Name='TotalBudget' ID='$([GUID]::NewGuid())' DisplayName='Total Budget' Required ='FALSE' Decimals='2' LCID='1033'></Field>"

#Add Currency Field to list from XML
Add-PnPFieldFromXml -FieldXml $FieldXML -List $ListName