Email Segmentation Tool — Custom Rules
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Segment Builder
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Saved Segments & Custom Rule
Custom Rule
Use comparisons: == != > < >= <=, contains, logical and/or, parentheses.
Field names: use exact header or normalized (spaces removed). Examples:
age > 25 and country == 'Pakistan'
(open_rate > 0.5 or purchases >= 3) and country != 'India'
Field names: use exact header or normalized (spaces removed). Examples:
age > 25 and country == 'Pakistan'
(open_rate > 0.5 or purchases >= 3) and country != 'India'
Custom Rule Result
Matches: 0
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Segment Size Chart
This runs client-side. Custom rules are parsed & evaluated safely.