Message constructor
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1. Introduction
The Message Constructor allows you to create messages from various elements: text, images, videos, and others. Some elements are not supported by certain messengers, but as a rule they can be replaced with similar supported elements. To add elements, click the «+ Message» button.
From this guide you will learn:
what each button and control element of the constructor means;
what types of message elements are available;
what restrictions apply to each element and messenger.
2. Constructor interface overview
Block name — used to identify the block in the platform. Subscribers do not see the block name.
Export messages — transfers elements from one communication channel to another. If the target channel does not support an element, it is converted to a supported one. Content is copied during export, not replaced — it is recommended to check imported elements.
Channel tabs — each tab corresponds to a messenger. Messages are only sent from the corresponding channel to each messenger. If the Telegram channel is empty, Telegram users will receive nothing.
Number of message elements — shows the number of content blocks in the corresponding channel.
Export selected element — copies only the selected element to other channels (not the entire channel).
Delete element — removes the element from the current channel. Copies in other channels are not affected when synchronisation is off (see item 12).
Element type marker — helps identify the types of added elements.
«+ Message» button — opens the element addition menu in the constructor.
Message element — contains the content the subscriber sees when receiving the message.
Button addition menu — available only for «Text» and «CardBox» elements.
Add elements — after clicking, the element appears at the bottom of the list for the current channel.
Synchronisation mode — messages for all other channels are replaced with messages from the current channel. When changes are made, other channels update automatically. Adjusted individually per block.
Card Box export mode — when reverse-exporting Card Box elements, they are formed as Card Box in supported channels. Recommended to enable before export/sync when Card Box is used.
Last modification — displays the manager, date, and time of the last block change.
Save message — saves changes. If the button is inactive, there are errors in the elements (empty fields, missing links, unconfigured buttons). In the Chats section, this button sends the message instantly.
Create message template — creates a template for quick access from different platform sections.
Close constructor — if there are unsaved changes, a confirmation window appears: «Cancel» returns to editing, «Reset» closes without saving.
3. Message element types
3.1. Text
Allows you to create text messages and add functional buttons.
Restrictions:
Telegram — 4096 characters; FB Messenger — 2000 characters; Viber — 4000 characters; WhatsApp — 1600 characters.
Maximum 3 buttons (up to 10 buttons for Telegram).
3.2. Image
A block for adding graphic content.
Restrictions:
Maximum image file size: 1 MB.
Recommended resolution: 300×600; for Viber and WhatsApp: 600×600.
*.gif animations are supported by Facebook, Telegram, Viber, and VK. In Telegram, gif animations appear as static images.
WhatsApp does not support gif animations.
The mobile version of Viber does not support PNG format.
For Facebook, the file name must be in English (Latin characters).
3.3. Card Box
Card Box (Carousel) — adds multiple images with buttons and accompanying text in one block. Scrolls left-to-right and back in the messenger.
Restrictions:
Available for Facebook, Viber, and Instagram only.
Image restrictions correspond to those of the Image element.
Recommended image size for Viber: 240×140.
Maximum title length: 80 characters; message length: 80 characters.
Link must start with «http://» or «https://».
Maximum number of buttons: 3.
Maximum number of cards per element: Facebook — 10; Viber — 6; Instagram — 3.
Note: in Viber, Card Box has a limited card height — only a limited amount of data can be displayed (e.g., image + title + one or two buttons).
3.4. Video
A block for sending video files. Available methods: direct link to a file, uploaded file from device, or Telegram file ID (removes size limit — Telegram only).
Restrictions:
Size limit: Facebook, Telegram, Viber, VK — 19 MB; WhatsApp — 5 MB.
Maximum link length: 500 characters.
Link must be direct and start with «http://» or «https://». YouTube links do not work.
VK supports only links to videos uploaded to VK.
Video format: MP4 only.
Note: for file storage, personal hosting or services such as Dropbox, Google Drive, or other file hosting with direct links is recommended.
3.5. Template
A block for sending pre-created message templates from the Templates section. Contains a dropdown list of templates. After inserting, the template is converted into the elements set for the current channel.
3.6. File
A block for sending files (documents).
Restrictions:
Instagram does not support sending files and documents.
Link must be direct and start with «http://» or «https://». Maximum length: 500 characters.
Maximum size: 20 MB.
Allowed types: application/pdf, image/gif, video/mp4, audio/mp3, image/jpeg, image/png.
Unsupported formats: for Facebook — ZIP; for WhatsApp — GIF and PDF.
Note: PDF format is recommended for all messengers. Before sending a document to users, test the delivery on yourself — some messengers may block certain document formats.
3.7. Audio
A block for sending audio files (voice messages).
Restrictions:
File size: 1.91 MB (approximately 3 minutes of voice message).
Instagram: maximum size — 25 MB; formats: .mp4, .wav, .m4a, audio/x-m4a, audio/mp4, video/mp4, audio/wav.
Note: the audio name can only be set when recording directly from a PC. When uploading an mp3 file, the name is taken from the file name. Playback at ×2 speed and audio upload from chats are available.
3.8. Link
A block for adding a URL link to a website, file, etc.
Restrictions:
Maximum link length: 100 characters.
Link must start with «http://» or «https://».
3.9. Video Note (Telegram Circle)
Telegram allows you to record video notes (circular videos) in bots for later sending to users. Video notes can be viewed outside the chat with the bot, and a series plays automatically in sequential order.
Sending video notes (circles) in a Telegram communication channel
Restriction: maximum size — 2 MB.
3.10. Request Information
In the blue «Request Information» block, you can record subscribers' responses into the client card for future use.
3.11. Gallery
A functional block available in Telegram. Allows sending a group of files of the same format as a single message (up to 10 files).
Restrictions:
Image: image/gif, image/jpeg, image/png — maximum 1 MB.
Audio: audio/mp3 — maximum 2 MB.
Video: video/mp4 — maximum 20 MB.
File: application/pdf, application/zip, application/x-zip-compressed — maximum 20 MB.
4. Related guides
Guide | Purpose |
|---|---|
Creating and editing message templates. | |
Sending video notes (circles) in a Telegram communication channel | Video Note (Telegram Circle): detailed description. |
«Request Information» block: recording subscriber responses into the client card. |