Formatters accept dynamic variables if parameters start with a . and are not surrounded by quotation marks.
The following dataset is used in the examples below.
To do mathematical operations:
To insert parent attributes, 2 dots .. have to be used. To access to grandparents attributes, 3 dots ... are necessary, etc.:
To read parent objects and their children attributes (no limit in depth):
It returns an error if the attribute does not exist:
It returns an error:
It returns an error if the sub-array is not indexed: