grafana/public/app/features/alerting/partials/notification_edit.html

<navbar icon="icon-gf icon-gf-alert" title="Alerting" title-url="alerting">
	<a href="alerting/notifications" class="navbar-page-btn">
		<i class="fa fa-fw fa-envelope-o"></i>
		Notifications
	</a>
</navbar>

<div class="page-container" >
  <div class="page-header">
    <h1>Alert notification</h1>
  </div>

  <form name="ctrl.theForm">
    <div class="gf-form-group">
      <div class="gf-form">
        <span class="gf-form-label width-12">Name</span>
        <input type="text" required class="gf-form-input max-width-15" ng-model="ctrl.model.name" required></input>
      </div>
      <div class="gf-form">
        <span class="gf-form-label width-12">Type</span>
        <div class="gf-form-select-wrapper width-15">
          <select class="gf-form-input" ng-model="ctrl.model.type" ng-options="t for t in ['webhook', 'email', 'slack']" ng-change="ctrl.typeChanged(notification, $index)">
          </select>
        </div>
      </div>
      <div class="gf-form">
        <gf-form-switch class="gf-form" label="Send on all alerts" label-class="width-12" checked="ctrl.model.isDefault" tooltip="Use this notification for all alerts">
        </gf-form-switch>
      </div>
    </div>

    <div class="gf-form-group" ng-if="ctrl.model.type === 'webhook'">
      <h3 class="page-heading">Webhook settings</h3>
      <div class="gf-form">
        <span class="gf-form-label width-6">Url</span>
        <input type="text" required class="gf-form-input max-width-26" ng-model="ctrl.model.settings.url"></input>
      </div>
      <div class="gf-form-inline">
        <div class="gf-form">
          <span class="gf-form-label width-6">Username</span>
          <input type="text" class="gf-form-input max-width-10" ng-model="ctrl.model.settings.username"></input>
        </div>
        <div class="gf-form">
          <span class="gf-form-label width-6">Password</span>
          <input type="text" class="gf-form-input max-width-10" ng-model="ctrl.model.settings.password"></input>
        </div>
      </div>
    </div>

    <div class="gf-form-group" ng-if="ctrl.model.type === 'slack'">
      <h3 class="page-heading">Slack settings</h3>
      <div class="gf-form">
        <span class="gf-form-label width-6">Url</span>
        <input type="text" required class="gf-form-input max-width-30" ng-model="ctrl.model.settings.url" placeholder="Slack incoming webhook url"></input>
      </div>
    </div>

    <div class="gf-form-group section" ng-if="ctrl.model.type === 'email'">
      <h3 class="page-heading">Email addresses</h3>
      <div class="gf-form">
        <textarea rows="7" class="gf-form-input width-25" required ng-model="ctrl.model.settings.addresses"></textarea>
      </div>
    </div>

    <div class="gf-form-group">
      <div class="gf-form-inline">
        <div class="gf-form width-6">
          <button type="submit" ng-click="ctrl.save()" class="btn btn-success">Save</button>
        </div>
        <div class="gf-form width-20">
          <div class="gf-form">
            <button type="submit" ng-click="ctrl.testNotification()" class="btn btn-secondary">Send Test</button>
          </div>
        </div>
      </div>
    </div>
  </form>
</div>