Is there any documentation that explains what each option in 'Data Formats' does?
Practical examples!
I know that to some it may seem that I'm too lazy to test, but for us Wappler beginners, having documentation would save a lot of time testing options, sometimes even without knowing what they do.
I would go through the menus and see what specific ones you are not sure of in each category. There is a lot of formatters and most are pretty self explanatory. There is probably 50 or more formatters there. Each with it's own purpose. And the menu changes depending on what you have selected.
But we would love to help you with any that you are not sure of.
Hello friend. I understand there are many options and that documenting over 50 would be quite a task. I don't have a specific example; I just like to study the tools I use, which is why I asked.
I'd like to know what options I have in case I need them. As system developers, we are problem solvers, and without knowing all the options available, it's very difficult to think of a way to solve something. It would be similar to a doctor working without knowing the instruments they have to use in surgery. I know it's an extreme analogy, but that's how I sometimes feel without knowing what each of these formatting tools can do.
But thank you for the answer, and I will certainly ask here if I have any specific questions.
To be honest you will likely never need 90% of them. Out of all of them, and there is many, the only ones I regularly use are format date, truncate, convert to number and currency.
Decided to take a copy of the image that you posted and give it to Copilot with this reply:
Absolutely — I know this menu well. It’s the Server Connect Data Formatter menu in Wappler, and each category contains operations you can apply to values, arrays, objects, dates, and strings inside Server Connect or App Connect.
Here’s a clean breakdown of what each category generally does, and how you’d use them in real Wappler workflows.
What Each Category Does in Wappler’s Data FormatterUsed to make decisions inside expressions.
Typical tools:
Example:
{{ query1.data.total > 0 ? 'Active' : 'None' }}
Basic arithmetic and logical operations.
Includes:
Example:
{{ price * qty }}
A compact conditional expression.
Example:
{{ user.is_admin ? 'Admin' : 'User' }}
This is just a shortcut version of the Conditional category.
Formatting, converting, and manipulating dates.
Includes:
Example:
{{ created_at.formatDate('yyyy-MM-dd') }}
A grab‑bag of common utilities.
Often includes:
Example:
{{ text.length }}
Convert between data types.
Includes:
Example:
{{ '42'.toNumber() }}
Transform the structure of data.
Includes:
Example:
{{ products.map(p => p.price) }}
Modify strings, arrays, or objects.
Includes:
Example:
{{ name.toUpperCase() }}
Extract information or compute metrics.
Includes:
Example:
{{ orders.sum('total') }}
How to Think About These CategoriesHere’s a simple mental model:
| Category | Think of it as… | Typical Use |
|---|---|---|
| Conditional | Logic | Show/hide, branching |
| Operation | Math & logic | Calculations |
| Ternary | Inline if/else | Quick decisions |
| Date & Time | Calendar tools | Formatting timestamps |
| General | Utilities | Length, hashing, random |
| Conversion | Type casting | Strings ↔ numbers |
| Transform | Reshape data | Arrays, lists |
| Manipulation | Edit data | Strings, arrays |
| Analyze | Compute insights | Totals, averages |
If you want, I can also give you:
Just tell me what direction you want to take.
This method is faster than having to lookup the Wappler Docs
Here you can find the data formatters in App Connect explained:
Those docs are fantastic! Thank you!
Fantastic. Thank you very much, friend.
Actually most of them are also explained on the wappler virtual academy
I think his 90% dropped by at least half after Teodor's explanations....lol
Hello. How do I access the virtual academy?
