The Process is intended to attempt to perform the processing enclosed in Block1 a maximum of three times before throwing an exception
The 'Attempts' data item is a number data item with an initial value of 0.
The 'Max Attempts' data item is a number data item with an initial value of 3.
The 'Increment Attempts' Calculation stage increases the value of the 'Attempts' data item by 1.
To enable this to work correctly, what is the correction Expression for the 'Increment Attempts' Calculation stage?
Correct Answer:
E
Understanding the Process Flow:
The process is designed to attempt the actions within Block1 up to three times before throwing an exception.
The 'Attempts' data item starts at 0 and is incremented by 1 each time the Increment Attempts Calculation stage is executed.
The 'Max Attempts' data item is set to 3, which represents the maximum number of allowed attempts.
Calculation Stage Expression:
The correct expression for incrementing the 'Attempts' data item should add 1 to the current value of 'Attempts'.
In Blue Prism, data items are referenced using square brackets. Therefore, the correct expression should be [Attempts] + 1.
Analysis of Options:
Option A: +1 is incomplete and not correct.
Option B: Attempts +1 is incorrect because it lacks the proper referencing syntax.
Option C: Max Attempts + 1 is incorrect because it references the wrong data item and will result in the incorrect calculation.
Option D: {Attempts + 1 is incorrect due to syntax issues.
Option E: [Attempts] + 1 is the correct expression, using proper syntax to reference the 'Attempts' data item.
Conclusion:
The correct expression for the 'Increment Attempts' Calculation stage is E. [Attempts] + 1.
Blue Prism Developer Documentation: Calculation Stages
Blue Prism Training Material on Data Item Reference
