Hi there,
I am struggling with a basic text transformation 
Here’s my example :
I’m trying to get the text transformed to get only the first letter capitalized.
For example :
test == Test
TEST == Test
I though it’d work using “to.UpperCase” function, but it didn’t. It work only in the case of “test”, but if I enter “TEST” as an input, then it doesn’t work.
Does anybody have any idea, please ?
Thanks a lot !
Romain
It looks like your topic is missing some important information. Could you provide the following if applicable.
Hey @RomainMaltrud,
.toUpperCase() is a javascript function that converts text to upper case (String.prototype.toUpperCase() - JavaScript | MDN) if you are using TEST and converting the first character to uppercase I would expect the output to still be TEST as it is uppercase already.
Instead of doing that what you could do is use an Edit Fields node like the example workflow below and use .toTitleCase() or if you wanted to use the code node method try converting the entire string to lowercase first then changing the first value.
Hey Jon,
Thank you very much for your quick answer.
I’ve tried .toTitleCase in my previous workflow but got the error that this function doesn’t exist.
However, with your example, IT WORKS !
Thank you so much !
Hey @RomainMaltrud,
Oddly toTitleCase() is not an offiical javascript function it is a helper function we added to make life easier when using expressions 
You can find a list of them here: Data transformation functions | n8n Docs
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