Is below two expression both are correct? Or is there any specific use case where we need to use @ before concat function
- concat(‘khkjhj’,’fhgf’)
- @concat(‘hhjhj’,’jhg’)
In case if concat is the initial function within your expression builder, then you need to append @ in front of it.
so basically any beginning function within the expression must have @ in front of it.
And function used post that, needs to be called as is without @.
eg :
@string(int(variablex))
If you use concat without @, below would be your output
it would consider it as a string as is and not function as a Function.
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