diff --git a/FoodsharingSiegen.Server/Data/Service/ProspectService.cs b/FoodsharingSiegen.Server/Data/Service/ProspectService.cs
index 910594f..48cea9d 100644
--- a/FoodsharingSiegen.Server/Data/Service/ProspectService.cs
+++ b/FoodsharingSiegen.Server/Data/Service/ProspectService.cs
@@ -103,11 +103,14 @@ namespace FoodsharingSiegen.Server.Data.Service
         /// Gets the users (a. beging, 01.04.2022)
         /// </summary>
         /// <returns>A task containing an operation result of list prospect</returns>
-        public async Task<OperationResult<List<Prospect>>> GetProspectsAsync()
+        public async Task<OperationResult<List<Prospect>>> GetProspectsAsync(InteractionType? filterType = null)
         {
             try
             {
-                var prospects = await Context.Prospects!.AsNoTracking().Include(x => x.Interactions.OrderBy(i => i.Date)).ThenInclude(x => x.User).OrderBy(x => x.Name).ToListAsync();
+                var prospectsQuery = Context.Prospects!.AsNoTracking().Include(x => x.Interactions.OrderBy(i => i.Date)).ThenInclude(x => x.User).OrderBy(x => x.Name).AsQueryable();
+                if(filterType != null) prospectsQuery = prospectsQuery.Where(x => x.Interactions.Any(i => i.Type == filterType));
+                var prospects = await prospectsQuery.ToListAsync();
+                
                 return new OperationResult<List<Prospect>>(prospects);
             }
             catch (Exception e)