Hayeon SongKO · EN
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Articles

What I've built, what I've learned, and what I want to try next.A record of what works — and what didn't — by a marketer who codes, designs, and writes.

Braze · CRM Series

In-app message experiments & build logs

2026.04.10 Guide · 16 min read

Turning App Downloads into an Event Experience — A Non-Engineer Marketer's Braze Custom HTML IAM Build

How I designed app download as a consent → drag-and-drop game → random-reward Custom HTML IAM, and handled participation, consent, and prize inventory with no backend using brazeBridge, Canvas, Connected Content, and GAS — with the code.

Braze Custom HTML IAM brazeBridge Canvas
2026.02.28 Guide · 12 min read

Building a Multi-Step Branching Survey Inside a Braze IAM — Cross-Validating Responses with Behavioral Data

How I built a multi-step, branching survey engine inside a single IAM with a page-id router, then stored responses as Custom Attributes and Events to cross-validate them against behavioral data — with the code.

Braze IAM SQL Segmentation