zulip/web/templates/settings/generate_integration_url_modal.hbs

<div class="new-style">
    <div class="input-group">
        <div class="integration-url-name-wrapper integration-url-parameter">
            {{> ../dropdown_widget_with_label
              widget_name="integration-name"
              label=(t "Integration")}}
        </div>
    </div>
    <div class="input-group">
        <div class="integration-url-stream-wrapper integration-url-parameter">
            {{> ../dropdown_widget_with_label
              widget_name="integration-url-stream"
              label=(t "Where to send notifications")}}
        </div>
    </div>
    <div class="input-group control-label-disabled">
        <label class="checkbox">
            <input type="checkbox" id="integration-url-override-topic" class="integration-url-parameter" disabled/>
            <span></span>
        </label>
        <label class="inline" for="integration-url-override-topic">
            {{t "Send all notifications to a single topic"}}
        </label>
    </div>
    <div class="input-group hide">
        <label for="integration-url-topic-input">{{t "Topic"}}</label>
        <input type="text" id="integration-url-topic-input" class="modal_text_input integration-url-parameter" maxlength="{{ max_topic_length }}" />
    </div>
    <hr />
    <p class="integration-url-header">{{t "URL for your integration"}}</p>
    <div class="integration-url">
        {{default_url_message}}
    </div>
</div>