diff --git a/react/features/reactions/actionTypes.js b/react/features/reactions/actionTypes.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/react/features/reactions/actions.js b/react/features/reactions/actions.js
new file mode 100644
index 000000000..76983a830
--- /dev/null
+++ b/react/features/reactions/actions.js
@@ -0,0 +1,27 @@
+// @flow
+
+/**
+ * Sends a specific reaction of the local participant to the remote
+ * participants.
+ *
+ * @param {string} reaction - The reaction of the local participant to send to
+ * the remote participants.
+ * @returns {Function}
+ */
+export function sendReaction(reaction: string) {
+    // reaction = 'thumbsup', 'heart', etc
+
+    return (dispatch: Dispatch, getState: Function) => {
+        const payload = {
+            type: 'reaction',
+            reaction,
+            targetEndpoint: 'target' // TODO use the selectedEndpoint
+        };
+
+        getState()['features/base/conference'].conference.sendTextMessage(
+            JSON.stringify({
+                'jitsi-meet-muc-msg-topic': 'xxx',
+                payload
+            }));
+    };
+}
diff --git a/react/features/reactions/components/ReactionsDialog.web.js b/react/features/reactions/components/ReactionsDialog.web.js
index 01b2cca9e..083a36e5f 100644
--- a/react/features/reactions/components/ReactionsDialog.web.js
+++ b/react/features/reactions/components/ReactionsDialog.web.js
@@ -1,8 +1,13 @@
 // @flow
 
 import React, { Component } from 'react';
+import { connect } from 'react-redux';
+
+import { sendReaction } from '../actions';
 
 type Props = {
+    _onSendReaction: Function,
+
     onClose: Function
 };
 
@@ -21,7 +26,7 @@ for (let i = 1; i < 21; ++i) {
  * Represents the dialog in the terms of {@link ToolbarButtonWithDialog} which
  * renders the list of supported reactions (i.e. reaction buttons).
  */
-export default class ReactionsDialog extends Component<Props> {
+class ReactionsDialog extends Component<Props> {
     /**
      * Implements React's {@link Component#render()}.
      *
@@ -47,9 +52,9 @@ export default class ReactionsDialog extends Component<Props> {
      * @param {*} reaction - The reaction (button) which was clicked.
      * @returns {void}
      */
-    _onClick(reaction) { // eslint-disable-line no-unused-vars
-        // Close this ReactionsDialog.
+    _onClick(reaction) {
         this.props.onClose();
+        this.props._onSendReaction(reaction);
     }
 
     /**
@@ -76,3 +81,43 @@ export default class ReactionsDialog extends Component<Props> {
         return contents;
     }
 }
+
+/**
+ * Maps dispatching of some action to React component props.
+ *
+ * @param {Function} dispatch - Redux action dispatcher.
+ * @private
+ * @returns {{
+ * }}
+ */
+function _mapDispatchToProps(dispatch) {
+    return {
+        /**
+         * Sends a specific reaction of the local participant to the remote
+         * participants.
+         *
+         * @param {string} reaction - The reaction of the local participant to
+         * send to the remote participants.
+         * @private
+         * @returns {void}
+         */
+        _onSendReaction(reaction) {
+            dispatch(sendReaction(reaction));
+        }
+    };
+}
+
+/**
+ * Maps (parts of) the redux state to the associated ReactionsDialog's props.
+ *
+ * @param {Object} state - The redux state.
+ * @private
+ * @returns {{
+ * }}
+ */
+function _mapStateToProps(state) { // eslint-disable-line no-unused-vars
+    return {
+    };
+}
+
+export default connect(_mapStateToProps, _mapDispatchToProps)(ReactionsDialog);
diff --git a/react/features/reactions/index.js b/react/features/reactions/index.js
index 07635cbbc..f4ab4e579 100644
--- a/react/features/reactions/index.js
+++ b/react/features/reactions/index.js
@@ -1 +1,5 @@
+export * from './actions';
+export * from './actionTypes';
 export * from './components';
+
+import './middleware';
diff --git a/react/features/reactions/middleware.js b/react/features/reactions/middleware.js
new file mode 100644
index 000000000..a33ae2c72
--- /dev/null
+++ b/react/features/reactions/middleware.js
@@ -0,0 +1,44 @@
+// @flow
+
+import { CONFERENCE_JOINED } from '../base/conference';
+import { MiddlewareRegistry } from '../base/redux';
+
+MiddlewareRegistry.register(store => next => action => {
+    switch (action.type) {
+    case CONFERENCE_JOINED:
+        return _conferenceJoined(store, next, action);
+    }
+
+    return next(action);
+});
+
+/**
+ * Notifies the feature app that the action {@link CONFERENCE_JOINED} is being
+ * dispatched within a specific redux {@code store}.
+ *
+ * @param {Store} store - The redux store in which the specified {@code action}
+ * is being dispatched.
+ * @param {Dispatch} next - The redux {@code dispatch} function to dispatch the
+ * specified {@code action} to the specified {@code store}.
+ * @param {Action} action - The redux action {@code CONFERENCE_JOINED} which is
+ * being dispatched in the specified {@code store}.
+ * @private
+ * @returns {Object} The new state that is the result of the reduction of the
+ * specified {@code action}.
+ */
+function _conferenceJoined({ getState }, next, action) {
+    const result = next(action);
+
+    getState()['features/base/conference'].conference.on(
+        'conference.endpoint_message_received',
+        (participant, payload) => {
+            if (payload
+                    && payload.payload
+                    && payload.payload.type === 'reaction') {
+                // TODO Utilize payload (and maybe participant).
+                console.log('Received:', payload);
+            }
+        });
+
+    return result;
+}