Уведомления в Телеграм

Использовал https://github.com/irgendwr/TelegramAlert

Шаблон сообщения (Message template):

<b>${event.message}</b>${if event.timerange_start}
Timerange: ${event.timerange_start} to ${event.timerange_end}
${end}${if event.fields}
Fields:
${foreach event.fields field}  ${field.key}: ${field.value}
${end}${end}${if message_too_long}
An alert was triggered, but the message was too long. Please check the Graylog interface for details.
${else}${if backlog}<code>${foreach backlog message}
${message.message}
${end}</code>${else}
<i>- no backlog -</i>
${end}${end}