A developer uses a For Each Row in Data Table activity to iterate through a sampleDataTable that stores current prices of the product and price at the discount. The developer wants to remove some rows (please see the condition in the If activity) and display, how many rows were left in the datatable. What will be the result of the processing?

Please find the BuildDataTable wizard below:

When you try to delete a row inside a For Each Row in Data Table activity, ''Collection was modified; enumeration operation might not execute'' error will be displayed, as it is not allowed to modify the structure of the datatable (e.g. change positions of datarows, remove them etc.) during iteration.

UiPath Forum
UiPath Documentation
Exam Topic:Describe how to work with complex data structures and data manipulation; for example, datatables and collections.
A developer automated a process with the following logic: each queue item contains a filepath to an Excel file. If the required file exists, robot needs to upload it on Sharepoint. Otherwise, the transaction cannot be considered a success. What is the best approach if the required file does not exist?
ABusiness Exceptiondescribes an error rooted in the fact that certain data which the automation project depends on is incomplete or missing.
Retrying the transaction does not yield any chance of solving the issue, and there are other better courses of action, such as notifying the human user of this error.
By default, Orchestrator doesnotretry transactions which are failed due toBusiness Exceptions. This happens because an inconsistency between the transaction value and the business requirement means that there might be errors in the initial data which the queue items were created from. Additional actions by human users might be required to fix this type of issue, and logging this type of exception and notifying the responsible person can be useful.
UiPath Documentation
Exam Topic:Describe the differences between Dispatcher and Performer, how the Dispatcher is used to upload transaction items, and how the Performer is used to consume the queues and process the transactions. Differentiate between using Application Exceptions and Business Rule Exceptions.
A developer reviewed the following sequence:

The parameters of the Invoke Method are:


In order to get the table name of the first element in the DataSet, which expressions should the developer use?
In the UiPath Robotic Enterprise Framework template, in the Main workflow, what is the default type of the TransactionItem variable?
Options are :
A developer published a library component for use within UiPath Studio.
In order to successfully add this library as a dependency to the project, what should be used?
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