diff --git a/Apps.Wordpress/Apps.Wordpress.csproj b/Apps.Wordpress/Apps.Wordpress.csproj
index 2e85d21..abee31d 100644
--- a/Apps.Wordpress/Apps.Wordpress.csproj
+++ b/Apps.Wordpress/Apps.Wordpress.csproj
@@ -4,7 +4,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <Product>Wordpress (+ Polylang)</Product>
-    <Version>1.2.0</Version>
+    <Version>1.2.1</Version>
     <Description>The world’s most popular website builder</Description>
     <AssemblyName>Apps.Wordpress</AssemblyName>
   </PropertyGroup>
diff --git a/Apps.Wordpress/Events/Polling/PollingList.cs b/Apps.Wordpress/Events/Polling/PollingList.cs
index a3a62b4..8c65e77 100644
--- a/Apps.Wordpress/Events/Polling/PollingList.cs
+++ b/Apps.Wordpress/Events/Polling/PollingList.cs
@@ -5,11 +5,13 @@
 using Apps.Wordpress.Events.Polling.Models.Memory;
 using Apps.Wordpress.Models.Dtos;
 using Apps.Wordpress.Models.Entities;
+using Apps.Wordpress.Models.Requests;
 using Blackbird.Applications.Sdk.Common;
 using Blackbird.Applications.Sdk.Common.Dynamic;
 using Blackbird.Applications.Sdk.Common.Invocation;
 using Blackbird.Applications.Sdk.Common.Polling;
 using Blackbird.Applications.Sdk.Utils.Extensions.String;
+using Blackbird.Applications.Sdk.Utils.Extensions.System;
 using RestSharp;
 
 namespace Apps.Wordpress.Events.Polling;
@@ -21,51 +23,58 @@ public PollingList(InvocationContext invocationContext) : base(invocationContext
     {
     }
 
-    [PollingEvent("On post created", "On a new post created")]
+    [PollingEvent("On posts created", "On new posts are created")]
     public Task<PollingEventResponse<ContentCreatedPollingMemory, ContentPollingResult>> OnPostCreated(
-        PollingEventRequest<ContentCreatedPollingMemory> request)
+        PollingEventRequest<ContentCreatedPollingMemory> request,
+        [PollingEventParameter] LanguageOptionalRequest languageRequest)
         => PollContentCreation(request, new()
         {
-            ["after"] = request.Memory?.LastCreationDate.ToString(Formats.ISO8601) ?? string.Empty
+            ["after"] = request.Memory?.LastCreationDate.ToString(Formats.ISO8601) ?? string.Empty,
+            ["lang"] = languageRequest.Language ?? string.Empty
         }, "posts", () => new()
         {
             LastCreationDate = DateTime.UtcNow
         });
 
 
-    [PollingEvent("On post updated", "On a specific post updated")]
+    [PollingEvent("On posts updated", "On specific posts are updated")]
     public Task<PollingEventResponse<ContentUpdatedPollingMemory, ContentPollingResult>> OnPostUpdated(
         PollingEventRequest<ContentUpdatedPollingMemory> request,
         [PollingEventParameter] [Display("Post ID")] [DataSource(typeof(PostDataHandler))]
-        string? postId)
+        string? postId, [PollingEventParameter] LanguageOptionalRequest languageRequest)
         => PollContentChanges(request, postId, new()
         {
-            ["modified_after"] = request.Memory?.LastModificationTime.ToString(Formats.ISO8601) ?? string.Empty
+            ["modified_after"] = request.Memory?.LastModificationTime.ToString(Formats.ISO8601) ?? string.Empty,
+            ["lang"] = languageRequest.Language ?? string.Empty
         }, "posts", () => new()
         {
             LastModificationTime = DateTime.UtcNow
         });
 
-    [PollingEvent("On page created", "On a new page created")]
+    [PollingEvent("On pages created", "On new pages are created")]
     public Task<PollingEventResponse<ContentCreatedPollingMemory, ContentPollingResult>> OnPageCreated(
-        PollingEventRequest<ContentCreatedPollingMemory> request)
+        PollingEventRequest<ContentCreatedPollingMemory> request,
+        [PollingEventParameter] LanguageOptionalRequest languageRequest)
         => PollContentCreation(request, new()
         {
-            ["after"] = request.Memory?.LastCreationDate.ToString(Formats.ISO8601) ?? string.Empty
+            ["after"] = request.Memory?.LastCreationDate.ToString(Formats.ISO8601) ?? string.Empty,
+            ["lang"] = languageRequest.Language ?? string.Empty
         }, "pages", () => new()
         {
             LastCreationDate = DateTime.UtcNow
         });
 
 
-    [PollingEvent("On page updated", "On a specific page updated")]
+    [PollingEvent("On pages updated", "On specific pages are updated")]
     public Task<PollingEventResponse<ContentUpdatedPollingMemory, ContentPollingResult>> OnPageUpdated(
         PollingEventRequest<ContentUpdatedPollingMemory> request,
         [PollingEventParameter] [Display("Page ID")] [DataSource(typeof(PageDataHandler))]
-        string? pageId)
+        string? pageId,
+        [PollingEventParameter] LanguageOptionalRequest languageRequest)
         => PollContentChanges(request, pageId, new()
         {
-            ["modified_after"] = request.Memory?.LastModificationTime.ToString(Formats.ISO8601) ?? string.Empty
+            ["modified_after"] = request.Memory?.LastModificationTime.ToString(Formats.ISO8601) ?? string.Empty,
+            ["lang"] = languageRequest.Language ?? string.Empty
         }, "pages", () => new()
         {
             LastModificationTime = DateTime.UtcNow
@@ -83,7 +92,7 @@ private async Task<PollingEventResponse<T, ContentPollingResult>> PollContentCre
             };
         }
 
-        var items = await ListContentItems(endpoint.WithQuery(query));
+        var items = await ListContentItems(endpoint.WithQuery(query.AllIsNotNull()));
 
         if (!items.Any())
         {
@@ -119,7 +128,7 @@ private async Task<PollingEventResponse<T, ContentPollingResult>> PollContentCha
         }
 
         var items = string.IsNullOrWhiteSpace(resourceId)
-            ? await ListContentItems(endpoint.WithQuery(query))
+            ? await ListContentItems(endpoint.WithQuery(query.AllIsNotNull()))
             : await GetContentItem($"{endpoint}/{resourceId}", request.Memory);
 
         if (!items.Any())
diff --git a/Apps.Wordpress/Models/Requests/LanguageRequest.cs b/Apps.Wordpress/Models/Requests/LanguageRequest.cs
new file mode 100644
index 0000000..ba4f073
--- /dev/null
+++ b/Apps.Wordpress/Models/Requests/LanguageRequest.cs
@@ -0,0 +1,12 @@
+using Apps.Wordpress.DataSourceHandlers;
+using Blackbird.Applications.Sdk.Common;
+using Blackbird.Applications.Sdk.Common.Dynamic;
+
+namespace Apps.Wordpress.Models.Requests;
+
+public class LanguageOptionalRequest
+{
+    [Display("Language (P)")]
+    [DataSource(typeof(LanguageDataHandler))]
+    public string? Language { get; set; }
+}
\ No newline at end of file
diff --git a/README.md b/README.md
index 4b070ab..3c078ae 100644
--- a/README.md
+++ b/README.md
@@ -87,10 +87,10 @@ Let us know if you're interested!
 
 ## Events
 
-- **On post created** triggers when a new post is created.
-- **On post updated** triggers when any post is updated.
-- **On page created** triggers when a new page is created.
-- **On page updated** triggers when any page is updated.
+- **On posts created** triggers when new posts are created.
+- **On posts updated** triggers when any posts are updated.
+- **On pages created** triggers when new pages are created.
+- **On pages updated** triggers when any pages are updated.
 
 ## Feedback