CONCATENATE Joins two text strings into one text string.
Syntax
CONCATENATE(text1, text2)
Parameters
text1, text2 – The text strings to be joined into a single text string. Strings can include text or numbers.
You can also use column references.
Return Value
The concatenated string.
Reference Data
https://docs.microsoft.com/en-us/dax/dax-function-reference