diff --git a/server/AyaNova/Controllers/UnitController.cs b/server/AyaNova/Controllers/UnitController.cs
index f118ba53..af585ea6 100644
--- a/server/AyaNova/Controllers/UnitController.cs
+++ b/server/AyaNova/Controllers/UnitController.cs
@@ -9,7 +9,7 @@ using System.Linq;
 using AyaNova.Models;
 using AyaNova.Api.ControllerHelpers;
 using AyaNova.Biz;
-
+using System.Collections.Generic;
 
 namespace AyaNova.Api.Controllers
 {
@@ -176,7 +176,50 @@ namespace AyaNova.Api.Controllers
         }
 
 
+        /// <summary>
+        /// Get Unit list by tag and optionally customer
+        /// </summary>
+        /// <param name="searchParam"></param>
+        /// <returns>List of units</returns>
+        [HttpPost("bulk-add-selection-list")]
+        public async Task<IActionResult> GetPartSerials([FromBody] UnitListByTagParams searchParam)
+        {
+            if (!serverState.IsOpen)
+                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
 
+            if (!Authorized.HasReadFullRole(HttpContext.Items, AyaType.Part))
+                return StatusCode(403, new ApiNotAuthorizedResponse());
+            if (!ModelState.IsValid)
+                return BadRequest(new ApiErrorResponse(ModelState));
+
+            if (searchParam.restrictToCustomerId == null || searchParam.restrictToCustomerId == 0)
+            {
+                //any customer
+                //https://www.npgsql.org/efcore/mapping/array.html#operation-translation
+                //array1.All(i => array2.Contains(i))
+
+                // var right = contextMock.Where(x => (new List<string> { "harry potter", "the lord of the rings" }).Any(y => x.Title.ToLower().Contains(y.ToLower()))).ToList();
+
+                var ret = await ct.Unit.AsNoTracking().Where(z => searchParam.tags.All(y => (z.Tags.Contains(y)))).Select(z => new { z.Id, z.Serial }).ToListAsync();
+                return Ok(ApiOkResponse.Response(ret));
+            }
+            else
+            {
+                //include customer
+                List<NameIdItem> retList = new List<NameIdItem>();
+                var unitz = await ct.Unit.AsNoTracking().Where(z => z.Active == true).Where(z => searchParam.tags.All(y => (z.Tags.Contains(y)))).Select(z => new { z.CustomerId, z.Serial }).ToListAsync();
+                foreach (var u in unitz)
+                {
+                    var cviz = await ct.Customer.AsNoTracking().Where(z => z.Id == u.CustomerId).Select(z => z.Name).FirstOrDefaultAsync();
+                    retList.Add(new NameIdItem { Name = $"{cviz} - {u.Serial}")
+
+                }
+                return Ok(ApiOkResponse.Response(o));
+            }
+
+
+        }
+        public record UnitListByTagParams(List<string> tags, long? restrictToCustomerId);
         //------------