last step is Implement using ConnectionId and Push Hub's in Tag Provider ...

Interfaces/IXTagProvider.cs

@@ -4,7 +4,6 @@ using System.Linq.Expressions;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.SignalR;
 using xDataService.Configuration;
-using xIdentityModels.Models;
 using xIdentityService.Interfaces;
 using xModels.Dtos;
 using xTagService.Hubs;
@@ -54,8 +53,12 @@ namespace xTagService.Interfaces
         /// Add Specified Tag ...
         /// </summary>
         /// <param name="model"></param>
+        /// <param name="connectionId"></param>
         /// <returns></returns>
-        Task<XTagDto> Add(XTagDto model);
+        Task<XTagDto> Add(
+            XTagDto model,
+            string connectionId = null
+        );
 
         /// <summary>
         /// Retrieve Specified Item as Dto ...
@@ -113,9 +116,11 @@ namespace xTagService.Interfaces
         /// Remove Specified Dto ...
         /// </summary>
         /// <param name="id"></param>
+        /// <param name="connectionId"></param>
         /// <returns></returns>
         Task<XTagDto> Remove(
-            int id
+            int id,
+            string connectionId = null
         );
 
         /// <summary>
@@ -123,10 +128,12 @@ namespace xTagService.Interfaces
         /// </summary>
         /// <param name="id"></param>
         /// <param name="model"></param>
+        /// <param name="connectionId"></param>
         /// <returns></returns>
         Task<XTagDto> Update(
             int id,
-            XTagDto model
+            XTagDto model,
+            string connectionId = null
         );
 
         /// <summary>

Interfaces/IXTagServiceControllerActions.cs

@@ -0,0 +1,100 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using xModels.Dtos;
+using xTagService.Models.Dtos;
+
+namespace xTagService.Interfaces
+{
+    public interface IXTagServiceControllerActions
+    {
+        //
+        #region Actions ...
+        /// <summary>
+        /// Add Tag by Providing Dto ...
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        Task<ActionResult<XTagDto>> Add(XTagDto model);
+
+        /// <summary>
+        /// Retrieve Specified Tag Dto by ID ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        Task<ActionResult<XTagDto>> Get(int id);
+
+        /// <summary>
+        /// Retrieve Specified Tag Dto by it's Label ...
+        /// </summary>
+        /// <param name="tag"></param>
+        /// <returns></returns>
+        Task<ActionResult<XTagDto>> GetTag(string tag);
+
+        /// <summary>
+        /// Retrieve All Exists Tags ...
+        /// </summary>
+        /// <returns></returns>
+        Task<ActionResult<IEnumerable<XTagDto>>> GetAll();
+
+        /// <summary>
+        /// Search For Specified Tag by Providing a query on Label ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <returns></returns>
+        Task<ActionResult<XTagDto>> FindOne(string query);
+
+        /// <summary>
+        /// Search For Specified Tags By Providing Query on Labels ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <returns></returns>
+        Task<ActionResult<IEnumerable<XTagDto>>> FindMany(string query);
+
+        /// <summary>
+        /// Retrieve Tags based on Query Model ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <returns></returns>
+        Task<ActionResult<XQueryResult<XTagDto>>> Query(XQuery query);
+
+        /// <summary>
+        /// Update Specified Tag ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        Task<ActionResult<XTagDto>> Update(
+            int id,
+            XTagDto model
+        );
+
+        /// <summary>
+        /// Remove Specified Tag by ID ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        Task<ActionResult<XTagDto>> Remove(int id);
+
+        /// <summary>
+        /// Count Exists Tags ...
+        /// </summary>
+        /// <returns></returns>
+        Task<ActionResult<int>> Count();
+
+        /// <summary>
+        /// Check Tag Exists by ID ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        Task<ActionResult<bool>> IsExists(int id);
+
+        /// <summary>
+        /// Check Tag Exists by Providing Label ...
+        /// </summary>
+        /// <param name="tag"></param>
+        /// <returns></returns>
+        Task<ActionResult<bool>> IsTagExists(string tag);
+        #endregion
+    }
+}