
List every critical step that influences motivation or friction, including creative impressions, landing readiness, onboarding forms, permission prompts, payments, and help requests. For each moment, specify user intent, expected system response, and recovery options. These anchors become the backbone of events and properties you will implement.

Start by listing the questions stakeholders urgently need answered, like where prospects fall between email click and app verification, or why checkout fails after a promotion. Translate questions into measurable states and transitions, ensuring each planned event contributes evidence toward resolving those uncertainties quickly.

Create a living specification that names events, defines properties, types, and allowed values, and includes realistic payload examples. Note triggering conditions, identity requirements, and downstream dependencies. Store everything where engineers, analysts, and marketers collaborate, preventing ambiguity that delays releases and undermines trust during critical troubleshooting moments.
Initialize libraries early, buffer events offline, and enforce retries with jitter. Standardize sessionization across platforms. Guard against duplicate sends on lifecycle changes and navigation transitions. Validate performance budgets so tracking never harms perceived speed, especially during critical screens like sign-up, payment, and permission prompts on lower-powered devices.
Emit authoritative events from trusted backends for transactions, entitlements, and email delivery outcomes. Include idempotency keys and timestamps from the source of truth. When client telemetry is blocked or flaky, these signals keep funnels accurate and allow precise reconciliation between expected outcomes and what customers actually experienced.
Connect campaign platforms through webhooks, pixel fires, and batched exports that translate vendor outcomes into your unified event language. Normalize naming, capture correlation identifiers, and store raw vendor payloads for audits. This makes diagnosing attribution weirdness and broken deep links far faster during stressful launches and promotions.
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