Either concatenates two or more strings or adds two numerical expressions, depending on its context.
This description details how to use it to concatenate two strings. See Add (function) for help using it to add two numerical expressions.
string1 + string2 + ... string
string1, string2,...
String values.
The following code sample concatenates five strings into a single string that contains the first and last name of a customer.
show('First Name: ' + @(2,12,36) + ' ' + 'Last Name: ' + @(3,12,36))