GA4 AI-referral channel template, Broadcastwell, coverage as of 2 November 2026, documented 9 November 2026
Channel name: AI referrals
Field: Source
Condition: matches regex
Value (copy the next line exactly):
^(.*\.)?(chatgpt\.com|chat\.openai\.com|claude\.ai|perplexity\.ai|copilot\.microsoft\.com|copilot\.cloud\.microsoft)$
Position: above Referral in a copy of your channel group
Template: https://app.broadcastwell.com/tools/ai-referral-channel
Documentation: https://docs.broadcastwell.com/ai-referral-analytics-template/
License: CC BY 4.0, Broadcastwell.