diff --git a/actions/dynamic_test.go b/actions/dynamic_test.go
new file mode 100644
index 000000000..cd4443fb2
--- /dev/null
+++ b/actions/dynamic_test.go
@@ -0,0 +1,204 @@
+/*
+Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
+Copyright (C) ITsysCOM GmbH
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package actions
+
+import (
+	"cmp"
+	"reflect"
+	"slices"
+	"testing"
+
+	"github.com/cgrates/birpc/context"
+	"github.com/cgrates/cgrates/config"
+	"github.com/cgrates/cgrates/engine"
+	"github.com/cgrates/cgrates/utils"
+)
+
+func TestParseParamStringToMap(t *testing.T) {
+	testcases := []struct {
+		name      string
+		paramStr  string
+		wantMap   map[string]any
+		expectErr bool
+		errMsg    string
+	}{
+		{
+			name:     "TenantAndAccount",
+			paramStr: "*tenant:cgrates.org&*account:1001",
+			wantMap: map[string]any{
+				"*tenant":  "cgrates.org",
+				"*account": "1001",
+			},
+			expectErr: false,
+		},
+		{
+			name:     "TenantAccountDestination",
+			paramStr: "*tenant:cgrates.org&*account:1001&*destination:1002",
+			wantMap: map[string]any{
+				"*tenant":      "cgrates.org",
+				"*account":     "1001",
+				"*destination": "1002",
+			},
+			expectErr: false,
+		},
+		{
+			name:      "InvalidPairMissingColon",
+			paramStr:  "*tenantcgrates.org&*profileID:ID1001",
+			wantMap:   nil,
+			expectErr: true,
+			errMsg:    "invalid key-value pair: *tenantcgrates.org",
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(tc.name, func(t *testing.T) {
+			got := make(map[string]any)
+			err := parseParamStringToMap(tc.paramStr, got)
+
+			if tc.expectErr {
+				if err == nil {
+					t.Errorf("expected error but got nil")
+				} else if err.Error() != tc.errMsg {
+					t.Errorf("expected error <%v>, got <%v>", tc.errMsg, err)
+				}
+				return
+			}
+
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+
+			if !reflect.DeepEqual(got, tc.wantMap) {
+				t.Errorf("expected %+v, got %+v", tc.wantMap, got)
+			}
+		})
+	}
+}
+
+func TestActDynamicThresholdID(t *testing.T) {
+	aL1 := &actDynamicThreshold{
+		aCfg: &utils.APAction{
+			ID: "TH1",
+		},
+	}
+	if aL1.id() != "TH1" {
+		t.Errorf("expected ID <TH1>, got <%s>", aL1.id())
+	}
+
+	aL2 := &actDynamicThreshold{
+		aCfg: &utils.APAction{
+			ID: "",
+		},
+	}
+	if aL2.id() != "" {
+		t.Errorf("expected empty ID, got <%s>", aL2.id())
+	}
+}
+
+func TestActDynamicThresholdCfg(t *testing.T) {
+	aCfg1 := &utils.APAction{ID: "TH1"}
+	aL1 := &actDynamicThreshold{aCfg: aCfg1}
+	if got := aL1.cfg(); got != aCfg1 {
+		t.Errorf("Scenario 1: expected cfg <%v>, got <%v>", aCfg1, got)
+	}
+
+	aCfg2 := &utils.APAction{}
+	aL2 := &actDynamicThreshold{aCfg: aCfg2}
+	if got := aL2.cfg(); got != aCfg2 {
+		t.Errorf("Scenario 2: expected cfg <%v>, got <%v>", aCfg2, got)
+	}
+
+	aL3 := &actDynamicThreshold{aCfg: nil}
+	if got := aL3.cfg(); got != nil {
+		t.Errorf("Scenario 3: expected cfg <nil>, got <%v>", got)
+	}
+}
+
+func TestActDynamicThresholdExecuteSort(t *testing.T) {
+	cfg := config.NewDefaultCGRConfig()
+	cfg.GeneralCfg().DefaultCaching = utils.MetaNone
+	cfg.ActionSCfg().AdminSConns = []string{"admins"}
+
+	connMgr := engine.NewConnManager(cfg)
+
+	dataDB, _ := engine.NewInternalDB(nil, nil, nil, cfg.DataDbCfg().Items)
+	dm := engine.NewDataManager(dataDB, cfg, connMgr)
+	fltrS := engine.NewFilterS(cfg, connMgr, dm)
+
+	data := utils.MapStorage{
+		utils.AccountField: "1001",
+	}
+
+	diktats := []*utils.APDiktat{
+		{
+			ID:        "d1",
+			FilterIDs: []string{"*string:~*req.Account:1001"},
+			Weights:   utils.DynamicWeights{{Weight: 10}},
+			Opts: map[string]any{
+				utils.MetaTemplate: "cgrates.org;THD1;;1;1;1s;true;AP1;true;ee1;key1:val1",
+			},
+		},
+		{
+			ID:        "d2",
+			FilterIDs: []string{"*string:~*req.Account:1001"},
+			Weights:   utils.DynamicWeights{{Weight: 20}},
+			Opts: map[string]any{
+				utils.MetaTemplate: "cgrates.org;THD2;;1;1;1s;true;AP2;true;ee2;key2:val2",
+			},
+		},
+	}
+
+	act := &actDynamicThreshold{
+		config:  cfg,
+		connMgr: connMgr,
+		fltrS:   fltrS,
+		tnt:     "cgrates.org",
+		cgrEv: &utils.CGREvent{
+			Tenant: "cgrates.org",
+			ID:     "evID",
+			Event:  map[string]any{utils.AccountField: "1001"},
+		},
+		aCfg: &utils.APAction{
+			ID:      "ACT_DYNAMIC",
+			Diktats: diktats,
+		},
+	}
+
+	weights := map[string]float64{
+		"d1": 10,
+		"d2": 20,
+	}
+
+	sorted := make([]*utils.APDiktat, len(diktats))
+	copy(sorted, diktats)
+	slices.SortFunc(sorted, func(a, b *utils.APDiktat) int {
+		return cmp.Compare(weights[b.ID], weights[a.ID])
+	})
+
+	if sorted[0].ID != "d2" || sorted[1].ID != "d1" {
+		t.Errorf("expected d2 to be first and d1 second after sort, got %v", []string{sorted[0].ID, sorted[1].ID})
+	}
+
+	ctx := context.Background()
+	trgID := "trigger1"
+	err := act.execute(ctx, data, trgID)
+	if err != nil {
+		t.Fatalf("execute failed: %v", err)
+	}
+}