>>Why "Should not be used if not necessary"?
Because, if it is not necessary, hen there is an alternative using []
and it is more effiecient,
although the difference may be a couple of miliseconds.
>>What would be an example where it's necessary?
For instance, I have this in a custom tag:
VALUE="#evaluate('caller.getItem.' & attributes.type & 'EasyFrame')#"
There might be a better way, but I got tired trying to figure it out.
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