diff --git a/utils/cgrevent.go b/utils/cgrevent.go
index 1465ffb71..a8ae185a9 100644
--- a/utils/cgrevent.go
+++ b/utils/cgrevent.go
@@ -19,9 +19,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package utils
 
 import (
-	"fmt"
 	"reflect"
-	"strconv"
 	"strings"
 	"time"
 )
@@ -54,11 +52,7 @@ func (ev *CGREvent) FieldAsString(fldName string) (val string, err error) {
 	if !has {
 		return "", ErrNotFound
 	}
-	val, err = IfaceAsString(iface)
-	if err != nil {
-		return "", fmt.Errorf("cannot cast %s to string", fldName)
-	}
-	return val, nil
+	return IfaceAsString(iface)
 }
 
 // FieldAsTime returns a field as Time instance
@@ -68,16 +62,7 @@ func (ev *CGREvent) FieldAsTime(fldName string, timezone string) (t time.Time, e
 		err = ErrNotFound
 		return
 	}
-	var canCast bool
-	if t, canCast = iface.(time.Time); canCast {
-		return
-	}
-	s, canCast := iface.(string)
-	if !canCast {
-		err = fmt.Errorf("cannot cast %s to string", fldName)
-		return
-	}
-	return ParseTimeDetectLayout(s, timezone)
+	return IfaceAsTime(iface, timezone)
 }
 
 // FieldAsDuration returns a field as Duration instance
@@ -87,19 +72,7 @@ func (ev *CGREvent) FieldAsDuration(fldName string) (d time.Duration, err error)
 		err = ErrNotFound
 		return
 	}
-	var canCast bool
-	if d, canCast = iface.(time.Duration); canCast {
-		return
-	}
-	if f, canCast := iface.(float64); canCast {
-		return time.Duration(int64(f)), nil
-	}
-	s, canCast := iface.(string)
-	if !canCast {
-		err = fmt.Errorf("cannot cast %s to string", fldName)
-		return
-	}
-	return ParseDurationWithNanosecs(s)
+	return IfaceAsDuration(iface)
 }
 
 // FieldAsFloat64 returns a field as float64 instance
@@ -108,15 +81,7 @@ func (ev *CGREvent) FieldAsFloat64(fldName string) (f float64, err error) {
 	if !has {
 		return f, ErrNotFound
 	}
-	if val, canCast := iface.(float64); canCast {
-		return val, nil
-	}
-	csStr, canCast := iface.(string)
-	if !canCast {
-		err = fmt.Errorf("cannot cast %s to string", fldName)
-		return
-	}
-	return strconv.ParseFloat(csStr, 64)
+	return IfaceAsFloat64(iface)
 }
 
 func (ev *CGREvent) TenantID() string {
diff --git a/utils/cgrevent_test.go b/utils/cgrevent_test.go
index 41f5ea832..55ee6a9c3 100644
--- a/utils/cgrevent_test.go
+++ b/utils/cgrevent_test.go
@@ -18,8 +18,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package utils
 
 import (
-	"fmt"
 	"reflect"
+	"strings"
 	"testing"
 	"time"
 )
@@ -118,7 +118,6 @@ func TestCGREventFieldAsString(t *testing.T) {
 }
 
 func TestCGREventFieldAsFloat64(t *testing.T) {
-	err1 := fmt.Errorf("cannot cast %s to string", AnswerTime)
 	se := &CGREvent{
 		Tenant: "cgrates.org",
 		ID:     "supplierEvent1",
@@ -154,12 +153,8 @@ func TestCGREventFieldAsFloat64(t *testing.T) {
 		t.Errorf("Expecting: %+v, received: %+v", 0, answ)
 	}
 
-	answ, err = se.FieldAsFloat64(AnswerTime)
-	if !reflect.DeepEqual(err, err1) {
-		t.Error(err)
-	}
-	if answ != 0 {
-		t.Errorf("Expecting: %+v, received: %+v", 0, answ)
+	if _, err := se.FieldAsFloat64(AnswerTime); err == nil || !strings.HasPrefix(err.Error(), "cannot convert field") {
+		t.Errorf("Unexpected error : %+v", err)
 	}
 }
 func TestCGREventClone(t *testing.T) {