What is a segment?
A dynamic audience defined by JSON rules (version: 1). When you run a campaign, the system reapplies the same rules.
Analogy: a tag is a label on the folder. A segment is the saved search.
Segment × tag × topic × campaign
Format (version 1)
Rule types (5)
Quick examples
Tag + marketing:No
type: "channel" rule. For phone use hasPhone or phone. For Telegram use hasTelegram or telegramPeer.Preview and campaigns
Preview (segments:read), paginated sample (max 500 per page).
In campaigns, pick the segment as audience. On Run, rules execute again.

