diff --git a/Frontend/src/app/services/notifications.service.ts b/Frontend/src/app/services/notifications.service.ts
index dc7e218..7419307 100644
--- a/Frontend/src/app/services/notifications.service.ts
+++ b/Frontend/src/app/services/notifications.service.ts
@@ -9,13 +9,13 @@ import moment, { Moment } from 'moment';
 })
 export class NotificationsService {
 
-  public messages: Message[] = [];
+  public messages: IMessage[] = [];
   private handler?: MatBottomSheetRef;
 
   constructor(
     private bottomSheet$: MatBottomSheet
   ) { }
-  public add(message: Message): string {
+  public add(message: IMessage): string {
     message.id = uuidv4();
     message.createdAt = moment();
     this.messages.push(message);
@@ -55,13 +55,13 @@ export class NotificationsService {
       return a.createdAt && a.createdAt.isAfter(b.createdAt) ? 1 : -1;
     })
   }
-  doAction(message: Message) {
+  doAction(message: IMessage) {
     if (message.action) { message.action(); }
     this.remove(message.id, false);
   }
 }
 
-interface Message {
+interface IMessage {
   id?: string;
   text: string;
   duration?: number;
diff --git a/WebAPI/Migrations/20230626171614_LayerType.Designer.cs b/WebAPI/Migrations/20230626171614_LayerType.Designer.cs
new file mode 100644
index 0000000..a323da0
--- /dev/null
+++ b/WebAPI/Migrations/20230626171614_LayerType.Designer.cs
@@ -0,0 +1,201 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using WebAPI;
+
+#nullable disable
+
+namespace WebAPI.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20230626171614_LayerType")]
+    partial class LayerType
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.7")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime>("ModifiedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("ModifiedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Number")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("ModifiedById");
+
+                    b.ToTable("Layers");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Record", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Desc1")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Desc2")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Desc3")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Desc4")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Desc5")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<Guid>("LayerId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("ModifiedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("ModifiedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<float>("Value")
+                        .HasColumnType("real");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("LayerId");
+
+                    b.HasIndex("ModifiedById");
+
+                    b.ToTable("Records");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Email")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.HasOne("WebAPI.Models.User", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.User", "ModifiedBy")
+                        .WithMany()
+                        .HasForeignKey("ModifiedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("ModifiedBy");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Record", b =>
+                {
+                    b.HasOne("WebAPI.Models.User", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.Layer", null)
+                        .WithMany("Records")
+                        .HasForeignKey("LayerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.User", "ModifiedBy")
+                        .WithMany()
+                        .HasForeignKey("ModifiedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("ModifiedBy");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.Navigation("Records");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/WebAPI/Migrations/20230626171614_LayerType.cs b/WebAPI/Migrations/20230626171614_LayerType.cs
new file mode 100644
index 0000000..fb0d12f
--- /dev/null
+++ b/WebAPI/Migrations/20230626171614_LayerType.cs
@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace WebAPI.Migrations
+{
+    /// <inheritdoc />
+    public partial class LayerType : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "Type",
+                table: "Layers",
+                type: "int",
+                nullable: false,
+                defaultValue: 0);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Type",
+                table: "Layers");
+        }
+    }
+}
diff --git a/WebAPI/Migrations/AppDbContextModelSnapshot.cs b/WebAPI/Migrations/AppDbContextModelSnapshot.cs
index 6725c5a..cc54bd9 100644
--- a/WebAPI/Migrations/AppDbContextModelSnapshot.cs
+++ b/WebAPI/Migrations/AppDbContextModelSnapshot.cs
@@ -1,196 +1,198 @@
-// <auto-generated />
-using System;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-using WebAPI;
-
-#nullable disable
-
-namespace WebAPI.Migrations
-{
-    [DbContext(typeof(AppDbContext))]
-    partial class AppDbContextModelSnapshot : ModelSnapshot
-    {
-        protected override void BuildModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "7.0.0")
-                .HasAnnotation("Relational:MaxIdentifierLength", 128);
-
-            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
-
-            modelBuilder.Entity("WebAPI.Models.Layer", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime2");
-
-                    b.Property<Guid>("CreatedById")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<bool>("IsDeleted")
-                        .HasColumnType("bit");
-
-                    b.Property<DateTime>("ModifiedAt")
-                        .HasColumnType("datetime2");
-
-                    b.Property<Guid>("ModifiedById")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<string>("Name")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<int?>("Number")
-                        .IsRequired()
-                        .HasColumnType("int");
-
-                    b.Property<string>("Source")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("CreatedById");
-
-                    b.HasIndex("ModifiedById");
-
-                    b.ToTable("Layers");
-                });
-
-            modelBuilder.Entity("WebAPI.Models.Record", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<string>("Code")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime2");
-
-                    b.Property<Guid>("CreatedById")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<string>("Desc1")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Desc2")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Desc3")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Desc4")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Desc5")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<bool>("IsDeleted")
-                        .HasColumnType("bit");
-
-                    b.Property<Guid>("LayerId")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<DateTime>("ModifiedAt")
-                        .HasColumnType("datetime2");
-
-                    b.Property<Guid>("ModifiedById")
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<float>("Value")
-                        .HasColumnType("real");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("CreatedById");
-
-                    b.HasIndex("LayerId");
-
-                    b.HasIndex("ModifiedById");
-
-                    b.ToTable("Records");
-                });
-
-            modelBuilder.Entity("WebAPI.Models.User", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("uniqueidentifier");
-
-                    b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime2");
-
-                    b.Property<string>("Email")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("UserName")
-                        .HasMaxLength(50)
-                        .HasColumnType("nvarchar(50)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Users");
-                });
-
-            modelBuilder.Entity("WebAPI.Models.Layer", b =>
-                {
-                    b.HasOne("WebAPI.Models.User", "CreatedBy")
-                        .WithMany()
-                        .HasForeignKey("CreatedById")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("WebAPI.Models.User", "ModifiedBy")
-                        .WithMany()
-                        .HasForeignKey("ModifiedById")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("CreatedBy");
-
-                    b.Navigation("ModifiedBy");
-                });
-
-            modelBuilder.Entity("WebAPI.Models.Record", b =>
-                {
-                    b.HasOne("WebAPI.Models.User", "CreatedBy")
-                        .WithMany()
-                        .HasForeignKey("CreatedById")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("WebAPI.Models.Layer", null)
-                        .WithMany("Records")
-                        .HasForeignKey("LayerId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("WebAPI.Models.User", "ModifiedBy")
-                        .WithMany()
-                        .HasForeignKey("ModifiedById")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("CreatedBy");
-
-                    b.Navigation("ModifiedBy");
-                });
-
-            modelBuilder.Entity("WebAPI.Models.Layer", b =>
-                {
-                    b.Navigation("Records");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using WebAPI;
+
+#nullable disable
+
+namespace WebAPI.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    partial class AppDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.7")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime>("ModifiedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("ModifiedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Number")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("ModifiedById");
+
+                    b.ToTable("Layers");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Record", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Desc1")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Desc2")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Desc3")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Desc4")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Desc5")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<Guid>("LayerId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("ModifiedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("ModifiedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<float>("Value")
+                        .HasColumnType("real");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("LayerId");
+
+                    b.HasIndex("ModifiedById");
+
+                    b.ToTable("Records");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Email")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.HasOne("WebAPI.Models.User", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.User", "ModifiedBy")
+                        .WithMany()
+                        .HasForeignKey("ModifiedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("ModifiedBy");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Record", b =>
+                {
+                    b.HasOne("WebAPI.Models.User", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.Layer", null)
+                        .WithMany("Records")
+                        .HasForeignKey("LayerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.User", "ModifiedBy")
+                        .WithMany()
+                        .HasForeignKey("ModifiedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("ModifiedBy");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.Navigation("Records");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/WebAPI/Models/Layer.cs b/WebAPI/Models/Layer.cs
index 88c407a..12c3b0a 100644
--- a/WebAPI/Models/Layer.cs
+++ b/WebAPI/Models/Layer.cs
@@ -19,6 +19,8 @@ namespace WebAPI.Models
         [Required]
         public string? Name { get; set; }
         [Required]
+        public LayerType Type { get; set; }
+        [Required]
         public DateTime CreatedAt { get; set; }
         [Required]
         public DateTime ModifiedAt { get; set; }
diff --git a/WebAPI/appsettings.Development.json b/WebAPI/appsettings.Development.json
index 7cd5053..bc0bcd1 100644
--- a/WebAPI/appsettings.Development.json
+++ b/WebAPI/appsettings.Development.json
@@ -8,7 +8,7 @@
   },
   "AllowedHosts": "*",
   "ConnectionStrings": {
-    "SQLDatabase": "Server=tcp:127.0.0.1,1433;Initial Catalog=diuna;Persist Security Info=False;User ID=SA;Password=v](8Lc|RfG;MultipleActiveResultSets=False;Encrypt=False;TrustServerCertificate=False;Connection Timeout=30;"
+    "SQLDatabase": "Server=tcp:127.0.0.1,1433;Initial Catalog=diunabi-dev;Persist Security Info=False;User ID=SA;Password=v](8Lc|RfG;MultipleActiveResultSets=False;Encrypt=False;TrustServerCertificate=False;Connection Timeout=30;"
   },
   "GoogleClientId": "107631825312-bkfe438ehr9k9ecb2h76g802tj6advma.apps.googleusercontent.com",
   "Secret": "8393AF8EAEF8478CB738D44858690F9C7E2D19F65896DD9FBAA3EB2A6F493E80",