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© 2026 — Integration TrailsContent — CC BY-NC-SA | Code — MIT LicenseVER:2026-08-27-815c939
Challenges/evaluate-salesforce-upsert-result·DataWeave·ELEMENTARY
DataWeaveELEMENTARY

Evaluate Salesforce Upsert Result

Process the complex response generated by a Salesforce bulk upsert operation that updates a single VIP account record. You will evaluate the success status of the batch item and construct a simplified, client-friendly response, practicing how to access nested arrays and apply conditional flow control to gracefully handle both success and failure scenarios.

#salesforce#rest-api#dwl::core
BY @patryk_bandurski
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DWL
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Every challenge ships with a real-world payload, a graded test suite, and a walkthrough by a practitioner. No surface-level theory — just problems, solved.

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%dw 2.0
output application/json
---
payload
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The fastest way
to learn integration.

01.
Production payloads
Real CSV/JSON/XML you'll meet on day one — null fields, mixed casing, partial records.
02.
Design problems
What practitioners actually solve — null-safety, idempotency, retries, batch boundaries.
03.
Edge cases that break
Empty arrays, type coercion, deeply nested transforms, locale-specific dates.
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CHALLENGES
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MODULES
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// WHAT YOU'LL BUILDHOW IT WORKS ↓
01.
Live DataWeave editor
Real DWL 2.0 IDE with helpers, modules, syntax highlighting.
02.
Test cases run on real runner
Same Go runner used in prod. Diffs show exactly which fields fail.
03.
3 graded attempts
Submit when you're ready. Score persists. Solution unlocks after pass or last attempt.
04.
Helpers & multi-module DWL
Bring in reusable %dw modules. Import, export, compose.
05.
XP & leaderboard
Points + XP awarded per challenge. Trail progress synced.
06.
Production-style payloads
Real CSV/JSON/XML — null fields, mixed casing, partial records.