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URL actions in Tableau - Cell-by-Cell Formula Trace

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Concept Flow

Product Table
+----------+-----------+
| Product  | ProductID |
+----------+-----------+
| Laptop   | 101       |
| Tablet   | 102       |
| Smartphone | 103      |
+----------+-----------+

URL Template
+-----------------------------------------+
| https://example.com/product?id=          |
+-----------------------------------------+

URL Action Formula:
URL = [URL Template] + STR([ProductID])

This creates a clickable link for each product by combining the base URL with the product's ID.

We start with a product list and a URL template. The URL action formula combines the URL template string with the product ID converted to text. This creates a unique URL for each product that can be used as a clickable link in Tableau dashboards.

Formula

URL = [URL Template] + STR([ProductID])

This formula concatenates the URL template string with the ProductID converted to a string, producing a full URL for each product.

Step-by-Step Trace

Product	ProductID	URL Template	URL
Laptop	101	https://example.com/product?id=	https://example.com/product?id=101
Tablet	102	https://example.com/product?id=	https://example.com/product?id=102
Smartphone	103	https://example.com/product?id=	https://example.com/product?id=103

The URL column shows the final clickable URL created by combining the URL template and the ProductID for each product.

Variable Tracker

Step	Expression	Evaluates To	Explanation
1	[URL Template] for Laptop	"https://example.com/product?id="	The URL template is a fixed string for all products.
2	STR([ProductID]) for Laptop	"101"	ProductID 101 is converted to text to concatenate with the URL template.
3	"https://example.com/product?id=" + "101"	"https://example.com/product?id=101"	Concatenate the URL template with the ProductID string to form the full URL.
4	Repeat steps 1-3 for Tablet	"https://example.com/product?id=102"	Same process for product Tablet with ProductID 102.
5	Repeat steps 1-3 for Smartphone	"https://example.com/product?id=103"	Same process for product Smartphone with ProductID 103.

Key Moments

What does the formula URL = [URL Template] + STR([ProductID]) do?

Why is STR([ProductID]) used in the formula?

What is the final URL for ProductID 103?

Sheet Trace Quiz - 1 Questions

Test your understanding

What does the formula URL = [URL Template] + STR([ProductID]) do?

ACreates a clickable link by combining a base URL and product ID

BCalculates the sum of ProductID numbers

CFilters products by ProductID

DConverts the URL Template to a number

Key Result

URL actions in Tableau combine a fixed URL template string with a dynamic field converted to text, creating clickable links for each data row.

Transcript

We have a product list with IDs and a URL template. The formula concatenates the URL template with the ProductID converted to text. This creates a unique URL for each product. For example, Laptop with ProductID 101 becomes https://example.com/product?id=101. This URL can be used as a clickable link in Tableau dashboards to navigate to product pages.