alert_board.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!-- QWeb template for the alert board. -->
<templates xml:space="preserve">
    <t t-name="board_alerts.AddToAlertBoard" owl="1">
        <Dropdown class="'o_add_to_board'">
            <t t-set-slot="toggler">Add to my alert dashboard</t>
            <div class="px-3 py-2">
                <input
                    type="text"
                    class="o_input"
                    t-ref="autofocus"
                    t-model.trim="state.name"
                    t-on-keydown="onInputKeydown"
                />
            </div>
            <div class="px-3 py-2">
                <button
                    type="button"
                    class="btn btn-primary"
                    t-on-click="addToAlertBoard"
                >
                    Add
                </button>
            </div>
        </Dropdown>
    </t>
</templates>