# Generate interactive quantity reports: n8n workflow template

> Started by an event in a connected app. It calls services over plain HTTP rather than through connectors.

Source: https://millionrounds.com/workflow/generate-interactive-quantity-reports (Millionrounds; every figure on the page links to its filing or article)

[Automation library](https://millionrounds.com/workflows) · [Research and reporting](https://millionrounds.com/workflows?category=Research+and+reporting#library)

# Generate interactive quantity reports

Started by an event in a connected app. It calls services over plain HTTP rather than through connectors. 16 steps, 3 branches: a working afternoon to understand properly.

Medium

[Download free](https://millionrounds.com/login?next=%2Fapp%2Fworkflow%2Fgenerate-interactive-quantity-reports)

**16 steps** Medium: a working afternoon

**3** Branches: places the flow splits

**0** Loops or waits

**0** Services by connector: it calls them over plain HTTP

## The flow

Starts it 1 Logic 11 Service 4

The steps in the order they run, from what starts it.

- 1 **Start - Click to begin** Manual trigger *Starts it*
- 2 **Setup - Define file paths** Set *Logic*
- 3 **Extract - Run Revit converter** Execute Command *Service*
- 4 **Check - Did extraction succeed?** If *Logic*
- 5 **Error - Show what went wrong** Set *Logic*
- 6 **Success - Create Excel filename** Set *Logic*
- 7 **Extract - Read Excel file from disk** Read Binary File *Service*
- 8 **Extract - Parse Excel to data** Spreadsheet File *Service*
- 9 **On the standard 3D View** If *Logic*
- 10 **Transform - Filter only OST_Walls** If *Logic*
- 11 **Non-3D View Elements Output** Set *Logic*
- 12 **Transform - Clean wall data** Set *Logic*
- 13 **Transform - Group by Type Name & sum Volume** Function *Logic*
- 14 **Transform - Generate HTML Report** Function *Logic*
- 15 **Load - Save HTML Report** Write Binary File *Service*
- 16 **Success - Final results** Set *Logic*

## How it's built

- **Starts on:** An event in a connected app
- **Steps:** 16, with 3 branches
- **Size:** Medium: a working afternoon
- **Connects to:** Nothing by connector; it calls services over plain HTTP
- **Model:** None. This is plumbing, not judgement

## Questions

What does it need to run?

An n8n account. You connect your own accounts after importing it; none are included.

What starts it?

It starts on an event in a connected app.

Does it use AI?

No. Every step is fixed logic or a call to a service, so it does the same thing every time.

How long does it take to set up?

Plan an afternoon. 16 steps is enough that you should read each one before running it.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

**Before you run it**

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 16 steps before you point it at anything that matters.

## Run it in n8n

- **Create your n8n account** Free to start. n8n is where the workflow runs. [Create an n8n account ↗](https://millionrounds.com/n8n)
- **Download the workflow** Free with a Millionrounds account. [Download free](https://millionrounds.com/login?next=%2Fapp%2Fworkflow%2Fgenerate-interactive-quantity-reports)
- **Paste it into n8n** Open a new workflow in n8n and paste. Then connect your own accounts.

Stored with the author's traces removed: canvas notes, instance identifiers, saved credential names and any live document they had left behind.

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