<form>
                <sheet>
                    <div class="oe_button_box" name="button_box">
                        <button name="454" type="action" class="oe_stat_button" icon="fa-tasks" context="{'default_project_id': project_id}" groups="project.group_project_milestone" close="1">
                            <div class="o_form_field o_stat_info">
                                <span class="o_stat_value">
                                    <field name="task_count" nolabel="1"/>
                                    <span class="fw-normal"> Tasks</span>
                                </span>
                                <span class="o_stat_value" invisible="done_task_count == 0">
                                    <field name="done_task_count" nolabel="1"/>
                                    <span class="fw-normal"> Done</span>
                                </span>
                            </div>
                        </button>
                    </div>
                    <group>
                        <group name="main_details">
                            <field name="project_id" invisible="1"/>
                            <field name="name" placeholder="e.g: Product Launch"/>
                            <field name="deadline"/>
                            <field name="is_reached"/>
                        </group>
                    </group>
                </sheet>
            </form>