muk_web/muk_web_client_notification/views/send_notifications.xml

<?xml version="1.0" encoding="UTF-8"?>

<!--     
	Copyright (C) 2017 MuK IT GmbH
	
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. 
-->

<odoo>

	<record id="send_notifications_view_form" model="ir.ui.view">
		<field name="name">Send Notifications</field>
		<field name="model">muk_web_client_notification.send_notifications</field>
		<field name="arch" type="xml">
			<form string="Send Notifications">
				<div class="oe_title">
                    <label for="title" class="oe_edit_only"/>
                    <h1>
                    	<field name="title" />
                    </h1>
                </div>
				<group>
					<field name="user_ids" widget="many2many_tags" options="{'no_create_edit': True}" />
				</group>
				<group>
					<group>
						<field name="type" />
						<field name="action_id" />
					</group>
					<group>
						<field name="sticky" attrs="{'readonly': [('action_id', '!=', False)]}" />
						<field name="close" attrs="{'invisible': [('action_id', '=', False)]}" />
					</group>
				</group>
				<label for="message" class="oe_edit_only"/>
				<field name="message" />
				<footer>
					<button string="Send" name="send_notifications" type="object"
						class="btn-primary" />
					<button string="Cancel" class="btn-default" special="cancel" />
				</footer>
			</form>
		</field>
	</record>

	<act_window
        id="act_send_notifications"
        name="Send Notifications"
        src_model="res.users"
        res_model="muk_web_client_notification.send_notifications"
        view_type="form" 
        view_mode="form"
        target="new"
        key2="client_action_multi"
        groups="base.group_erp_manager"/>

</odoo>