Channels

Design Studio supports multiple notification channels, each with different capabilities and content block support.

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Channel overview

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Channel-specific behavior

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Email

Email has the richest formatting options with full support for all content blocks.

• Full HTML rendering
• All text formatting options (bold, italic, underline, strikethrough, links)
• Image embedding and linking
• Custom markup via HTML blocks
• Brand header and footer support
• Fonts via the font_family field on the Elemental email channel element (Elemental content only)

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SMS

SMS is plain text only. The Text block is the only supported block type.

• No formatting (bold, italic, etc.)
• Variables supported via {{variable}} syntax
• Character limits apply based on carrier
• Links are sent as plain URLs

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Push

Push notifications have limited content space. Only the Text block is supported.

• Title and body text
• Variables supported
• Length limits vary by platform (iOS, Android, Web)
• No rich formatting

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In-App (Inbox)

In-App notifications via Courier Inbox support text content.

• Title and body text
• Variables supported
• Click actions can be configured (enable button, action URL)
• No rich formatting in the designer

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Slack

Slack supports a subset of blocks with Slack-specific formatting.

• Text with Slack markdwn formatting (bold, italic, strikethrough, links)
• Buttons as interactive elements
• Dividers between content sections

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MS Teams

MS Teams has similar capabilities to Slack with Adaptive Card formatting.

• Text with basic formatting
• Dividers

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Switching between channels

In Design Studio, each channel has its own content editor. Channel tabs appear at the top of the editor.

• Click a channel tab to edit that channel’s content
• Each channel maintains its own set of blocks
• Content is not automatically synced between channels