diff --git a/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.d.ts b/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.d.ts
new file mode 100644
index 00000000..8c57e894
--- /dev/null
+++ b/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.d.ts
@@ -0,0 +1,42 @@
+import { Event } from './Event';
+import { Session } from '../../OpenVidu/Session';
+import { Stream } from '../../OpenVidu/Stream';
+import { StreamManager } from '../../OpenVidu/StreamManager';
+/**
+ * Defines event `streamPropertyChanged` dispatched by [[Session]] as well as by [[StreamManager]] ([[Publisher]] and [[Subscriber]]).
+ * This event is fired when any remote stream (owned by a Subscriber) or local stream (owned by a Publisher) undergoes
+ * any change in any of its mutable properties (see [[changedProperty]]).
+ */
+export declare class StreamPropertyChangedEvent extends Event {
+    /**
+     * The Stream whose property has changed. You can always identify the user publishing the changed stream by consulting property [[Stream.connection]]
+     */
+    stream: Stream;
+    /**
+     * The property of the stream that changed. This value is either `"videoActive"`, `"audioActive"` or `"videoDimensions"`
+     */
+    changedProperty: string;
+    /**
+     * Cause of the change on the stream's property:
+     * - For `videoActive`: `"publishVideo"`
+     * - For `audioActive`: `"publishAudio"`
+     * - For `videoDimensions`: `"deviceRotated"` or `"screenResized"`
+     */
+    reason: string;
+    /**
+     * New value of the property (after change, current value)
+     */
+    newValue: Object;
+    /**
+     * Previous value of the property (before change)
+     */
+    oldValue: Object;
+    /**
+     * @hidden
+     */
+    constructor(target: Session | StreamManager, stream: Stream, changedProperty: string, newValue: Object, oldValue: Object, reason: string);
+    /**
+     * @hidden
+     */
+    callDefaultBehavior(): void;
+}
diff --git a/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.js b/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.js
new file mode 100644
index 00000000..0e4ec19f
--- /dev/null
+++ b/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.js
@@ -0,0 +1,57 @@
+"use strict";
+/*
+ * (C) Copyright 2017-2018 OpenVidu (https://openvidu.io/)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+exports.__esModule = true;
+var Event_1 = require("./Event");
+/**
+ * Defines event `streamPropertyChanged` dispatched by [[Session]] as well as by [[StreamManager]] ([[Publisher]] and [[Subscriber]]).
+ * This event is fired when any remote stream (owned by a Subscriber) or local stream (owned by a Publisher) undergoes
+ * any change in any of its mutable properties (see [[changedProperty]]).
+ */
+var StreamPropertyChangedEvent = /** @class */ (function (_super) {
+    __extends(StreamPropertyChangedEvent, _super);
+    /**
+     * @hidden
+     */
+    function StreamPropertyChangedEvent(target, stream, changedProperty, newValue, oldValue, reason) {
+        var _this = _super.call(this, false, target, 'streamPropertyChanged') || this;
+        _this.stream = stream;
+        _this.changedProperty = changedProperty;
+        _this.newValue = newValue;
+        _this.oldValue = oldValue;
+        _this.reason = reason;
+        return _this;
+    }
+    /**
+     * @hidden
+     */
+    // tslint:disable-next-line:no-empty
+    StreamPropertyChangedEvent.prototype.callDefaultBehavior = function () { };
+    return StreamPropertyChangedEvent;
+}(Event_1.Event));
+exports.StreamPropertyChangedEvent = StreamPropertyChangedEvent;
+//# sourceMappingURL=StreamPropertyChangedEvent.js.map
\ No newline at end of file
diff --git a/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.js.map b/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.js.map
new file mode 100644
index 00000000..c7965baa
--- /dev/null
+++ b/openvidu-browser/lib/OpenViduInternal/Events/StreamPropertyChangedEvent.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"StreamPropertyChangedEvent.js","sourceRoot":"","sources":["../../../src/OpenViduInternal/Events/StreamPropertyChangedEvent.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;;;GAeG;;;;;;;;;;;;AAEH,iCAAgC;AAKhC;;;;GAIG;AACH;IAAgD,8CAAK;IA8BjD;;OAEG;IACH,oCAAY,MAA+B,EAAE,MAAc,EAAE,eAAuB,EAAE,QAAgB,EAAE,QAAgB,EAAE,MAAc;QAAxI,YACI,kBAAM,KAAK,EAAE,MAAM,EAAE,uBAAuB,CAAC,SAMhD;QALG,KAAI,CAAC,MAAM,GAAG,MAAM,CAAC;QACrB,KAAI,CAAC,eAAe,GAAG,eAAe,CAAC;QACvC,KAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,KAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,KAAI,CAAC,MAAM,GAAG,MAAM,CAAC;;IACzB,CAAC;IAED;;OAEG;IACH,oCAAoC;IACpC,wDAAmB,GAAnB,cAAwB,CAAC;IAE7B,iCAAC;AAAD,CAAC,AAhDD,CAAgD,aAAK,GAgDpD;AAhDY,gEAA0B"}
\ No newline at end of file
diff --git a/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.d.ts b/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.d.ts
new file mode 100644
index 00000000..dbf68c43
--- /dev/null
+++ b/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.d.ts
@@ -0,0 +1,21 @@
+/**
+ * See [[Session.capabilities]]
+ */
+export interface Capabilities {
+    /**
+     * `true` if the client can call [[Session.forceDisconnect]], `false` if not
+     */
+    forceDisconnect: boolean;
+    /**
+     * `true` if the client can call [[Session.forceUnpublish]], `false` if not
+     */
+    forceUnpublish: boolean;
+    /**
+     * `true` if the client can call [[Session.publish]], `false` if not
+     */
+    publish: boolean;
+    /**
+     * `true` if the client can call [[Session.subscribe]], `false` if not (true for every user for now)
+     */
+    subscribe: boolean;
+}
diff --git a/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.js b/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.js
new file mode 100644
index 00000000..9a1e1e17
--- /dev/null
+++ b/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.js
@@ -0,0 +1,19 @@
+"use strict";
+/*
+ * (C) Copyright 2017-2018 OpenVidu (https://openvidu.io/)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+exports.__esModule = true;
+//# sourceMappingURL=Capabilities.js.map
\ No newline at end of file
diff --git a/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.js.map b/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.js.map
new file mode 100644
index 00000000..babbf09d
--- /dev/null
+++ b/openvidu-browser/lib/OpenViduInternal/Interfaces/Public/Capabilities.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"Capabilities.js","sourceRoot":"","sources":["../../../../src/OpenViduInternal/Interfaces/Public/Capabilities.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;;;GAeG"}
\ No newline at end of file