diff --git a/examples/rbac_with_domains_model.conf b/examples/rbac_with_domains_model.conf
new file mode 100644
index 0000000..57c3721
--- /dev/null
+++ b/examples/rbac_with_domains_model.conf
@@ -0,0 +1,14 @@
+[request_definition]
+r = sub, dom, obj, act
+
+[policy_definition]
+p = sub, dom, obj, act
+
+[role_definition]
+g = _, _, _
+
+[policy_effect]
+e = some(where (p.eft == allow))
+
+[matchers]
+m = g(r.sub, p.sub, r.dom) && r.dom == p.dom && r.obj == p.obj && r.act == p.act
\ No newline at end of file
diff --git a/examples/rbac_with_domains_policy.csv b/examples/rbac_with_domains_policy.csv
new file mode 100644
index 0000000..8558d17
--- /dev/null
+++ b/examples/rbac_with_domains_policy.csv
@@ -0,0 +1,6 @@
+p, admin, domain1, data1, read
+p, admin, domain1, data1, write
+p, admin, domain2, data2, read
+p, admin, domain2, data2, write
+g, alice, admin, domain1
+g, bob, admin, domain2
\ No newline at end of file
diff --git a/src/test/java/org/casbin/ClientTest.java b/src/test/java/org/casbin/ClientTest.java
index 8be955c..b3df73e 100644
--- a/src/test/java/org/casbin/ClientTest.java
+++ b/src/test/java/org/casbin/ClientTest.java
@@ -274,15 +274,21 @@ public void testRBACApi () {
 
         assertEquals(Client.run(new String[]{"getImplicitPermissionsForUser", "-m", "examples/rbac_model.conf", "-p", "examples/rbac_with_hierarchy_policy.csv", "alice"}), "{\"allow\":null,\"explain\":[[\"alice\",\"data1\",\"read\"],[\"data1_admin\",\"data1\",\"read\"],[\"data1_admin\",\"data1\",\"write\"],[\"data2_admin\",\"data2\",\"read\"],[\"data2_admin\",\"data2\",\"write\"]]}");
 
-
         assertEquals(Client.run(new String[]{"getNamedImplicitPermissionsForUser", "-m", "examples/rbac_with_multiple_policy_model.conf", "-p", "examples/rbac_with_multiple_policy_policy.csv", "p2", "alice"}), "{\"allow\":null,\"explain\":[[\"admin\",\"create\"],[\"user\",\"view\"]]}");
 
+    }
 
+    @Test
+    public void testRBACWithDomainsApi () {
+        assertEquals(Client.run(new String[]{"getUsersForRoleInDomain", "-m", "examples/rbac_with_domains_model.conf", "-p", "examples/rbac_with_domains_policy.csv", "admin", "domain1"}), "{\"allow\":null,\"explain\":[\"alice\"]}");
 
+        assertEquals(Client.run(new String[]{"getRolesForUserInDomain", "-m", "examples/rbac_with_domains_model.conf", "-p", "examples/rbac_with_domains_policy.csv", "alice", "domain1"}), "{\"allow\":null,\"explain\":[\"admin\"]}");
 
+        assertEquals(Client.run(new String[]{"getPermissionsForUserInDomain", "-m", "examples/rbac_with_domains_model.conf", "-p", "examples/rbac_with_domains_policy.csv", "admin", "domain1"}), "{\"allow\":null,\"explain\":[[\"admin\",\"domain1\",\"data1\",\"read\"],[\"admin\",\"domain1\",\"data1\",\"write\"]]}");
 
+        assertEquals(Client.run(new String[]{"addRoleForUserInDomain", "-m", "examples/rbac_with_domains_model.conf", "-p", "examples/rbac_with_domains_policy.csv", "alice", "admin", "domain3"}), "{\"allow\":true,\"explain\":null}");
 
-
+        assertEquals(Client.run(new String[]{"deleteRoleForUserInDomain", "-m", "examples/rbac_with_domains_model.conf", "-p", "examples/rbac_with_domains_policy.csv", "alice", "admin", "domain3"}), "{\"allow\":true,\"explain\":null}");
     }