diff --git a/v2/pkg/operators/common/dsl/dsl.go b/v2/pkg/operators/common/dsl/dsl.go
index 222df9c3e..3809079a7 100644
--- a/v2/pkg/operators/common/dsl/dsl.go
+++ b/v2/pkg/operators/common/dsl/dsl.go
@@ -241,6 +241,11 @@ func init() {
 			h.Write([]byte(args[0].(string)))
 			return hex.EncodeToString(h.Sum(nil)), nil
 		}),
+		"hmac_sha1": makeDslFunction(2, func(args ...interface{}) (interface{}, error) {
+			h := hmac.New(sha1.New, []byte(args[1].(string)))
+			h.Write([]byte(args[0].(string)))
+			return hex.EncodeToString(h.Sum(nil)), nil
+		}),
 		"html_escape": makeDslFunction(1, func(args ...interface{}) (interface{}, error) {
 			return html.EscapeString(types.ToString(args[0])), nil
 		}),
@@ -283,6 +288,23 @@ func init() {
 				return builder.String(), nil
 			},
 		),
+		"concat_ws": makeDslWithOptionalArgsFunction(
+			"(args ...interface{}) string",
+			func(arguments ...interface{}) (interface{}, error) {
+				builder := &strings.Builder{}
+				separator := arguments[len(arguments)-1]
+				arguments = arguments[:len(arguments)-1]
+
+				for i, argument := range arguments {
+					builder.WriteString(types.ToString(argument))
+
+					if i != len(arguments)-1 {
+						builder.WriteString(types.ToString(separator))
+					}
+				}
+				return builder.String(), nil
+			},
+		),
 		"regex": makeDslFunction(2, func(args ...interface{}) (interface{}, error) {
 			compiled, err := regexp.Compile(types.ToString(args[0]))
 			if err != nil {
diff --git a/v2/pkg/operators/common/dsl/dsl_test.go b/v2/pkg/operators/common/dsl/dsl_test.go
index 80669acb4..5af61b529 100644
--- a/v2/pkg/operators/common/dsl/dsl_test.go
+++ b/v2/pkg/operators/common/dsl/dsl_test.go
@@ -110,6 +110,7 @@ func TestGetPrintableDslFunctionSignatures(t *testing.T) {
 	base64_py(arg1 interface{}) interface{}
 	compare_versions(firstVersion, constraints ...string) bool
 	concat(args ...interface{}) string
+	concat_ws(args ...interface{}) string
 	contains(arg1, arg2 interface{}) interface{}
 	date(arg1 interface{}) interface{}
 	dec_to_hex(arg1 interface{}) interface{}
@@ -118,6 +119,7 @@ func TestGetPrintableDslFunctionSignatures(t *testing.T) {
 	gzip_decode(arg1 interface{}) interface{}
 	hex_decode(arg1 interface{}) interface{}
 	hex_encode(arg1 interface{}) interface{}
+	hmac_sha1(arg1, arg2 interface{}) interface{}
 	hmac_sha256(arg1, arg2 interface{}) interface{}
 	html_escape(arg1 interface{}) interface{}
 	html_unescape(arg1 interface{}) interface{}
@@ -190,6 +192,7 @@ func TestDslExpressions(t *testing.T) {
 		`remove_bad_chars("abcd", "bc")`:                 "ad",
 		`replace("Hello", "He", "Ha")`:                   "Hallo",
 		`concat("Hello", 123, "world")`:                  "Hello123world",
+		`concat_ws("Hello", 123, "world", "_")`:          "Hello_123_world",
 		`repeat("a", 5)`:                                 "aaaaa",
 		`repeat("a", "5")`:                               "aaaaa",
 		`repeat("../", "5")`:                             "../../../../../",
@@ -228,6 +231,7 @@ func TestDslExpressions(t *testing.T) {
 		`compare_versions('v1.1.1', '>v1.1.0')`:            true,
 		`compare_versions('v1.0.0', '>v0.0.1,<v1.0.1')`:    true,
 		`compare_versions('v1.0.0', '>v0.0.1', '<v1.0.1')`: true,
+		`hmac_sha1('test','scrt')`:                         "8856b111056d946d5c6c92a21b43c233596623c6",
 		`hmac_sha256('test','scrt')`:                       "1f1bff5574f18426eb376d6dd5368a754e67a798aa2074644d5e3fd4c90c7a92",
 		`time_format("02-01-2006 15:04")`:                  now.Format("02-01-2006 15:04"),
 	}