Merge pull request #3035 from KoenZomers/AdjustAddSiteCollectionAdmin

Made `-Owners` optional on `Add-PnPSiteCollectionAdmin`

Author: gautamdsheth

CHANGELOG.md

@@ -20,6 +20,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed issue with `Grant-PnPAzureADAppSitePermission` cmdlet where users are not able to set selected site in the `Sites.Selected` permission. [#2983](https://github.com/pnp/powershell/pull/2983)
 - Fixed issue with `Get-PnPList` cmdlet not working with site-relative URL as identity. [#3005](https://github.com/pnp/powershell/pull/3005)
 - Fixed issue with `Add-PnPNavigationNode` cmdlet where the target audience would not correctly be set when creating a node as a child of a parent node [#2940](https://github.com/pnp/powershell/pull/2940)
+- Fixed issue where `Add-PnPSiteCollectionAdmin -PrimarySiteCollectionAdmin <user>` would require owners to be specified as well
 
 ### Contributors
 

documentation/Add-PnPSiteCollectionAdmin.md

@@ -46,7 +46,7 @@ This will add all users with their title ending with "Doe" as additional seconda
 
 ### EXAMPLE 4
 ```powershell
-Add-PnPSiteCollectionAdmin -PrimarySiteCollectionAdminrs "user@contoso.onmicrosoft.com"
+Add-PnPSiteCollectionAdmin -PrimarySiteCollectionAdmin "user@contoso.onmicrosoft.com"
 ```
 
 This will set user@contoso.onmicrosoft.com as the primary site collection administrator of the site collection in the current context
@@ -74,7 +74,7 @@ Specifies owner(s) to add as site collection administrators. They will be added
 Type: System.Collections.Generic.List`1[PnP.PowerShell.Commands.Base.PipeBinds.UserPipeBind]
 Parameter Sets: (All)
 
-Required: True
+Required: False
 Position: Named
 Default value: None
 Accept pipeline input: True (ByValue)

src/Commands/Site/AddSiteCollectionAdmin.cs

@@ -9,7 +9,7 @@ namespace PnP.PowerShell.Commands.Site
     [OutputType(typeof(void))]
     public class AddSiteCollectionAdmin : PnPSharePointCmdlet
     {
-        [Parameter(Mandatory = true, ValueFromPipeline = true)]
+        [Parameter(Mandatory = false, ValueFromPipeline = true)]
         public List<UserPipeBind> Owners;
 
         [Parameter(Mandatory = false)]