functions/SPClientContentType/New-SPClientContentType.ps1

#Requires -Version 3.0

# New-SPClientContentType.ps1
#
# Copyright (c) 2017 karamem0
#
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function New-SPClientContentType {

<#
.SYNOPSIS
  Creates a new content type.
.DESCRIPTION
  The New-SPClientContentType function adds a new content type to the web.
.PARAMETER ClientContext
  Indicates the client context. If not specified, uses default context.
.PARAMETER ParentWeb
  Indicates the web which a content type to be created.
.PARAMETER Name
  Indicates the internal name.
.PARAMETER Description
  Indicates the description.
.PARAMETER Group
  Indicates the group name.
.PARAMETER ParentContentType
  Indicates the parent content type.
.PARAMETER Retrievals
  Indicates the data retrieval expression.
.EXAMPLE
  New-SPClientContentType $web -Name "Custom Content Type"
#>


    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $false)]
        [Microsoft.SharePoint.Client.ClientContext]
        $ClientContext = $SPClient.ClientContext,
        [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true)]
        [Microsoft.SharePoint.Client.Web]
        $ParentWeb,
        [Parameter(Mandatory = $true)]
        [string]
        $Name,
        [Parameter(Mandatory = $false)]
        [string]
        $Description,
        [Parameter(Mandatory = $false)]
        [string]
        $Group,
        [Parameter(Mandatory = $false)]
        [Microsoft.SharePoint.Client.ContentType]
        $ParentContentType,
        [Parameter(Mandatory = $false)]
        [string]
        $Retrievals
    )

    process {
        if ($ClientContext -eq $null) {
            throw "Cannot bind argument to parameter 'ClientContext' because it is null."
        }
        $Creation = New-Object Microsoft.SharePoint.Client.ContentTypeCreationInformation
        $Creation.Name = $Name
        if ($PSBoundParameters.ContainsKey('Group')) {
            $Creation.Group = $Group
        }
        if ($PSBoundParameters.ContainsKey('ParentContentType')) {
            if (-not $ParentContentType.IsPropertyAvailable('Id')) {
                Invoke-SPClientLoadQuery `
                    -ClientContext $ClientContext `
                    -ClientObject $ParentContentType `
                    -Retrievals 'Id'
            }
            $Creation.ParentContentType = $ParentContentType
        }
        $ClientObject = $ParentWeb.ContentTypes.Add($Creation)
        $ClientObject.Description = $Description
        $ClientObject.Update($true)
        Invoke-SPClientLoadQuery `
            -ClientContext $ClientContext `
            -ClientObject $ClientObject `
            -Retrievals $Retrievals
        Write-Output $ClientObject
    }

}