diff --git a/ignite/services/scaffolder/component.go b/ignite/services/scaffolder/component.go
index e7c22232ad..c5b478f339 100644
--- a/ignite/services/scaffolder/component.go
+++ b/ignite/services/scaffolder/component.go
@@ -117,9 +117,15 @@ func checkCustomTypes(ctx context.Context, appPath, appName, protoDir, module st
 		}
 
 		if _, ok := datatype.IsSupportedType(datatype.Name(ft)); !ok {
+			// sanitize the custom type name
+			if str := strings.Split(ft, "."); len(str) > 1 { // <- sanitize in IsSupportedType
+				ft = str[1]
+			}
+
 			customFieldTypes = append(customFieldTypes, ft)
 		}
 	}
+
 	return protoanalysis.HasMessages(ctx, path, customFieldTypes...)
 }
 
diff --git a/ignite/templates/field/datatype/custom.go b/ignite/templates/field/datatype/custom.go
index 614967e7ed..6d8e4631a1 100644
--- a/ignite/templates/field/datatype/custom.go
+++ b/ignite/templates/field/datatype/custom.go
@@ -33,3 +33,27 @@ var DataCustom = DataType{
 	GoCLIImports: []GoImport{{Name: "encoding/json"}},
 	NonIndex:     true,
 }
+
+// DataCustomSlice is a custom data array type definition.
+var DataCustomSlice = DataType{
+	DataType:         func(datatype string) string { return fmt.Sprintf("[]*%s", datatype) },
+	DefaultTestValue: "null",
+	ProtoType: func(datatype, name string, index int) string {
+		return fmt.Sprintf("repeated %s %s = %d", datatype, name, index)
+	},
+	GenesisArgs: func(name multiformatname.Name, value int) string {
+		return fmt.Sprintf("%s: []types.%s{},\n", name.UpperCamel, name.UpperCamel)
+	},
+	CLIArgs: func(name multiformatname.Name, datatype, prefix string, argIndex int) string {
+		return fmt.Sprintf(`%[1]v%[2]v := []types.%[3]v{}
+					err = json.Unmarshal([]byte(args[%[4]v]), %[1]v%[2]v)
+    				if err != nil {
+                		return err
+            		}`, prefix, name.UpperCamel, datatype, argIndex)
+	},
+	ToProtoField: func(datatype, name string, index int) *proto.NormalField {
+		return protoutil.NewField(name, datatype, index, protoutil.Repeated())
+	},
+	GoCLIImports: []GoImport{{Name: "encoding/json"}},
+	NonIndex:     true,
+}
diff --git a/ignite/templates/field/datatype/types.go b/ignite/templates/field/datatype/types.go
index c817cea413..e3d3d9c787 100644
--- a/ignite/templates/field/datatype/types.go
+++ b/ignite/templates/field/datatype/types.go
@@ -32,6 +32,8 @@ const (
 	Bytes Name = "bytes"
 	// Custom represents the custom type name.
 	Custom Name = Name(TypeCustom)
+	// CustomSlice represents the custom array type name.
+	CustomSlice Name = "array." + TypeCustom
 
 	// StringSliceAlias represents the string array type name alias.
 	StringSliceAlias Name = "strings"
@@ -42,8 +44,8 @@ const (
 	// CoinSliceAlias represents the coin array type name alias.
 	CoinSliceAlias Name = "coins"
 
-	// TypeCustom represents the string type name id.
-	TypeCustom = "customstarporttype"
+	// TypeCustom represents the custom type name.
+	TypeCustom = "customignitetype"
 
 	collectionValueComment = "/* Add collection key value */"
 )
@@ -65,6 +67,7 @@ var supportedTypes = map[Name]DataType{
 	Coins:            DataCoinSlice,
 	CoinSliceAlias:   DataCoinSlice,
 	Custom:           DataCustom,
+	CustomSlice:      DataCustomSlice,
 }
 
 // Name represents the Alias Name for the data type.