Fixed Invoke-PnPGraphMethod ConsistencyLevelEventual parameter not used properly

CHANGELOG.md

@@ -66,6 +66,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed `Get-PnPAzureADAppSitePermission`, `Grant-PnPAzureADAppSitePermission` and `Revoke-PnPAzureADAppSitePermission` cmdlets throwing an error when the site URL is not specified and the app registration used only having Graph permissions [#4421](https://github.com/pnp/powershell/pull/4421)
 - Fixed `Get-PnPTerm` cmdlet not working correctly when `-ParentTerm` parameter is specified. [#4454](https://github.com/pnp/powershell/pull/4454)
 - Fixed the PnP PowerShell version check to only check nightly version in nightly builds and major version in release builds. [#4453](https://github.com/pnp/powershell/pull/4453)
+- Fixed `-ConsistencyLevelEventual` flag on `Invoke-PnPGraphMethod` to work correctly. [#4523](https://github.com/pnp/powershell/pull/4523)
 - Fixed `Get-PnPServiceHealthIssue` returning an error when certain service states were active [#4530](https://github.com/pnp/powershell/pull/4530)
 
 ### Removed
@@ -79,6 +80,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Contributors
 
+- [reusto]
 - Fredrik Thorild [fthorild]
 - San [sankarkumar23]
 - Christian Veenhuis [ChVeen]
@@ -535,7 +537,6 @@ Fixed app registration on Windows
 - Kunj Balkrishna Sangani [kunj-sangani]
 - Dayana Hristova [makarovv]
 - Rodrigo Pinto [ScoutmanPt]
-- [reusto]
 - Reshmee Auckloo [reshmee011]
 - Dan Toft [Tanddant]
 - [reusto]

src/Commands/Graph/InvokeGraphMethod.cs

@@ -60,31 +60,10 @@ public string Url
         [Parameter(Mandatory = false, ParameterSetName = ParameterSet_TOSTREAM)]
         public string ContentType = "application/json";
 
-
         [Parameter(Mandatory = false, ParameterSetName = ParameterSet_TOFILE)]
         [Parameter(Mandatory = false, ParameterSetName = ParameterSet_TOCONSOLE)]
         [Parameter(Mandatory = false, ParameterSetName = ParameterSet_TOSTREAM)]
-        public GraphAdditionalHeadersPipeBind AdditionalHeaders;
-        // public IDictionary<string, string> AdditionalHeaders
-        // {
-        //     get
-        //     {
-        //         if (ConsistencyLevelEventual.IsPresent)
-        //         {
-        //             if (additionalHeaders == null)
-        //             {
-        //                 additionalHeaders = new Dictionary<string, string>();
-        //             }
-        //             additionalHeaders.Remove("ConsistencyLevel");
-        //             additionalHeaders.Add("ConsistencyLevel", "eventual");
-        //         }
-        //         return additionalHeaders;
-        //     }
-        //     set
-        //     {
-        //         additionalHeaders = value;
-        //     }
-        // }
+        public GraphAdditionalHeadersPipeBind AdditionalHeaders = new(new Dictionary<string, string>());
 
         [Parameter(Mandatory = false, ParameterSetName = ParameterSet_TOFILE)]
         [Parameter(Mandatory = false, ParameterSetName = ParameterSet_TOCONSOLE)]
@@ -101,7 +80,7 @@ public string Url
         public string OutFile;
 
         [Parameter(Mandatory = true, ParameterSetName = ParameterSet_TOSTREAM)]
-        public SwitchParameter OutStream;        
+        public SwitchParameter OutStream;
 
         protected override void ExecuteCmdlet()
         {
@@ -335,6 +314,6 @@ private void HandleResponse(HttpResponseMessage response)
                 default:
                     throw new Exception($"Parameter set {ParameterSetName} not supported");
             }
-        }        
+        }
     }
 }