Exam AD01 topic 1 question 80 discussion

Actual exam question from Blue Prism's AD01

Question #: 80
Topic #: 1

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Examine the following recover flow taken from a Blue Prism Process:

The ‘Exception Type’ data item has no initial value and has a data type of text.

The Calculation stage ‘Save Exception Type’ will output the current exception type to the ‘Exception Type’ data item.

What expression would you use in the ‘Save Exception Type’ stage to achieve this?