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New: a free website for your business, live in 48 to 72 hoursWorkflow automation on n8n and Claude, built for your businessFixed price, agreed before we start · Live in 5 to 10 business days30-day money-back guarantee on every planProfessional firms · Agencies · E-commerceYou own every workflow, in your own n8nClaude API: your data is not used for trainingHuman approval on every sensitive stepFree automation audit, no obligation
PURIST
30 days
Money-back window
14 h/wk
Modeled time saved
99.97%
Uptime SLA
< 7 days
Deploy time
PURIST AI
Claude Opus 4.7 · n8n v1.71 · <80ms
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Core concepts
Beginner

Variable (workflow)

A named storage location that holds a value used across multiple steps in a workflow. Setting a variable at the start (e.g., `clientId = 12345`) allows all subsequent steps to reference it without repeating the value or making redundant API calls.

Expert insight

A variable named something generic like "data" or "value" in a workflow with many steps becomes genuinely hard to trace weeks later, when someone (including the original builder) needs to remember what it actually holds. Descriptive variable naming costs nothing upfront and saves real time during every future debugging session.

In a real workflow

The client’s Slack channel is stored in a variable used by every notification step.

Common mistakes

  • Global variables changed by one workflow affecting others.
  • Unclear names.

Complexity level

Beginner

Anyone can understand this no technical background needed.

Quick facts

Category Core concepts
Level
Beginner

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