diff --git a/lib/data/encoderhero/encoder_test.v b/lib/data/encoderhero/encoder_test.v
index 52ed38f1..8ddb940f 100644
--- a/lib/data/encoderhero/encoder_test.v
+++ b/lib/data/encoderhero/encoder_test.v
@@ -1,6 +1,7 @@
 module encoderhero
 
 import freeflowuniverse.herolib.data.paramsparser
+import freeflowuniverse.herolib.data.ourtime
 import time
 import v.reflection
 
@@ -13,6 +14,40 @@ struct Remark {
 	text string
 }
 
+struct Company {
+	name    string
+	founded ourtime.OurTime
+	employees []Person
+}
+
+const company = Company{
+	name: "Tech Corp"
+	founded: ourtime.new('2022-12-05 20:14')!
+	employees: [
+		person,
+		Person{
+			id: 2
+			name: "Alice"
+			age: 30
+			birthday: time.new(
+				day:   20
+				month:  6
+				year:  1990
+			)
+			car: Car{
+				name: "Alice's car"
+				year: 2018
+			}
+			profiles: [
+				Profile{
+					platform: 'LinkedIn'
+					url: 'linkedin.com/alice'
+				},
+			]
+		},
+	]
+}
+
 struct Person {
 	Base
 mut:
@@ -43,7 +78,7 @@ struct Profile {
 const person_heroscript = "
 !!define.person id:1 name:Bob birthday:'2012-12-12 00:00:00'
 !!define.person.car name:'Bob\\'s car' year:2014
-!!define.person.car.insurance expiration:'0000-00-00 00:00:00' provider:''
+!!define.person.car.insurance provider:insurer
 
 !!define.person.profile platform:Github url:github.com/example
 "
@@ -60,6 +95,9 @@ const person = Person{
 	car:      Car{
 		name: "Bob's car"
 		year: 2014
+		insurance: Insurance {
+			provider: "insurer"
+		}
 	}
 	profiles: [
 		Profile{
@@ -69,7 +107,23 @@ const person = Person{
 	]
 }
 
+const company_script = "
+!!define.company name:'Tech Corp' founded:'2022-12-05 20:14'
+!!define.company.person id:1 name:Bob birthday:'2012-12-12 00:00:00'
+!!define.company.person.car name:'Bob\'s car' year:2014
+!!define.company.person.car.insurance provider:insurer'
+
+!!define.company.person.profile platform:Github url:github.com/example
+
+!!define.company.person id:2 name:Alice birthday:'1990-06-20 00:00:00'
+!!define.company.person.car name:'Alice\'s car' year:2018
+!!define.company.person.car.insurance
+
+!!define.company.person.profile platform:LinkedIn url:linkedin.com/alice
+"
+
 fn test_encode() ! {
 	person_script := encode[Person](person)!
 	assert person_script.trim_space() == person_heroscript.trim_space()
-}
+	assert encode[Company](company)!.trim_space() == company_script.trim_space()
+}
\ No newline at end of file
diff --git a/lib/data/paramsparser/params_export_import.v b/lib/data/paramsparser/params_export_import.v
index 11ba9d8b..283428d7 100644
--- a/lib/data/paramsparser/params_export_import.v
+++ b/lib/data/paramsparser/params_export_import.v
@@ -192,7 +192,7 @@ fn (p Params) export_helper(args_ ExportArgs) ![]ParamExportItem {
 }
 
 fn val_is_empty(val string) bool {
-	return val == '' || val == '[]'
+	return val == '' || val == '[]' || val == '0000-00-00 00:00:00'
 }
 
 @[params]
diff --git a/lib/data/paramsparser/params_export_test.v b/lib/data/paramsparser/params_export_test.v
index 68d5cc31..2fde7ba3 100644
--- a/lib/data/paramsparser/params_export_test.v
+++ b/lib/data/paramsparser/params_export_test.v
@@ -290,4 +290,4 @@ fn test_export_text() {
 	}
 	paramsout := params.export()
 	assert paramsout.trim_space() == "text:'This content contains the character \\' in it'"
-}
+}
\ No newline at end of file
diff --git a/lib/data/paramsparser/params_reflection.v b/lib/data/paramsparser/params_reflection.v
index 96bf96f3..ad39e163 100644
--- a/lib/data/paramsparser/params_reflection.v
+++ b/lib/data/paramsparser/params_reflection.v
@@ -1,6 +1,7 @@
 module paramsparser
 
 import time
+import freeflowuniverse.herolib.data.ourtime
 import v.reflection
 // import freeflowuniverse.herolib.data.encoderhero
 // TODO: support more field types
@@ -66,6 +67,13 @@ pub fn (params Params) decode_value[T](_ T, key string) !T {
 			return time.Time{}
 		}
 		return time.parse(time_str)!
+	} $else $if T is ourtime.OurTime {
+		time_str := params.get(key)!
+		// todo: 'handle other null times'
+		if time_str == '0000-00-00 00:00:00' {
+			return ourtime.new('0000-00-00 00:00:00')!
+		}
+		return ourtime.new(time_str)!
 	} $else $if T is $struct {
 		child_params := params.get_params(key)!
 		child := child_params.decode_struct(T{})!
@@ -100,7 +108,7 @@ pub fn encode[T](t T, args EncodeArgs) !Params {
 			key = field_attrs['alias']
 		}
 		$if val is string || val is int || val is bool || val is i64 || val is u32
-			|| val is time.Time {
+			|| val is time.Time || val is ourtime.OurTime {
 			params.set(key, '${val}')
 		} $else $if field.is_enum {
 			params.set(key, '${int(val)}')