diff --git a/yaormfilter/tools_test.go b/yaormfilter/tools_test.go
index 2acb8b2..2a9b0e4 100644
--- a/yaormfilter/tools_test.go
+++ b/yaormfilter/tools_test.go
@@ -16,6 +16,15 @@ func TestEquals(t *testing.T) {
 	assert.IsType(t, &yaormfilter.BoolFilter{}, yaormfilter.Equals(false))
 }
 
+func TestEquality(t *testing.T) {
+	f := yaormfilter.Equals("abdef")
+	assert.True(t, f.IsEquality())
+	assert.Equal(t, "abdef", f.GetEquality())
+
+	f = yaormfilter.NotEquals("bdef")
+	assert.False(t, f.IsEquality())
+}
+
 func TestNotEquals(t *testing.T) {
 	assert.IsType(t, &yaormfilter.StringFilter{}, yaormfilter.NotEquals("abcdef"))
 	assert.IsType(t, &yaormfilter.Int64Filter{}, yaormfilter.NotEquals(int64(12)))
diff --git a/yaormfilter/valuefilter.go b/yaormfilter/valuefilter.go
index 68b41d0..aa9be4b 100644
--- a/yaormfilter/valuefilter.go
+++ b/yaormfilter/valuefilter.go
@@ -21,10 +21,22 @@ type ValueFilter interface {
 	In(v ...interface{}) ValueFilter
 	NotIn(v ...interface{}) ValueFilter
 	Raw(fn RawFilterFunc) ValueFilter
+	IsEquality() bool
+	GetEquality() interface{}
 }
 
 type valuefilterimpl struct {
-	filterFn RawFilterFunc
+	filterFn    RawFilterFunc
+	shouldEqual bool
+	equals_     interface{}
+}
+
+func (f valuefilterimpl) IsEquality() bool {
+	return f.shouldEqual
+}
+
+func (f valuefilterimpl) GetEquality() interface{} {
+	return f.equals_
 }
 
 func (f *valuefilterimpl) nil(v bool) *valuefilterimpl {
@@ -38,6 +50,8 @@ func (f *valuefilterimpl) nil(v bool) *valuefilterimpl {
 }
 
 func (f *valuefilterimpl) equals(e interface{}) *valuefilterimpl {
+	f.shouldEqual = true
+	f.equals_ = e
 	return f.raw(func(field string) interface{} {
 		return squirrel.Eq{field: e}
 	})