Topic 3, Case Study
In this exercise, you will create a UiPath automation that performs the steps below.
To achieve this, you will use the REFrameWork as the starting template and follow the UiPath development best practices.
Here are the steps performed by the Robot:
1. Log in to https://www.acme-test.com.
2. On the landing page, Dashboard, click on the Work items menu item. Scrape the data in all the pages of the table, page by page, ensuring error handling and recovery.
3. For each page:
- Filter the records where Status is 'Open';
- Filter the records where Type is 'WI5';
- Filter the records where WIID is less than 500000;
- Append the resulting datatable into an Excel worksheet; you shouldn't worry about the headers and format of the output file.
Constraints to follow in the development, using the REFrameWork:
1. TransactionItem datatype should be a String. The process should recover and retry in case of errors in navigation between WorkItems page. One transaction is the action of scraping one web page.By navigating to the next page, the next transaction will execute. (Same as ACME Process 4 Dispatcher from the UiPath Academy).
2. Create a separate workflow file for the Login to ACME. File input arguments: URL ; Username ; Password.
3. Create a separate workflow file for closing ACME.
3. Add the ACME_URL and ACME_Credential to the Config file.
4. Populate InitAllApplications.xaml from the Framework folder with Invoking the Login to ACME and navigation to the Work Items.
5. Populate CloseAllApplications.xaml from the Framework folder with Invoking the Close ACME.
6. Populate KillAllProcesses.xaml from the Framework folder with killing the process used.
7. Populate the Process.xaml file with the following actions: Web scraping, Filtering and Appending to Excel.
Important Note: Don't use external file references outside of the project folder (including Orchestrator Assets).
Place all the used files within the project folder, zip that folder and upload it to the UiPath Certification Platform.
Zip ALL the used workflow files AND the output Excel file. Then upload the .zip file to the UiPath Certification Platform.
Good luck!
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NumberOfRetries property indicates how many times the activity will be executed overall. It is often misunderstood as 1 try + 3 retries (like in Orchestrator queues), however, it actually is simply 3 tries.
Even if Open Browser activity has ContinueOnError property set to True, it doesn't affect the Retry Scope, because Retry Scope activity has ContinueOnError set to False. So after 3 tries, if the required element still doesn't exist, the Retry Scope activity will throw an error.

Rethrow activity is used when additional activities need to be added before the exception is thrown. You cannot specify the type of error to be thrown. Instead, you place Rethrow activity in the Catch handler of a TryCatch, and the type of the error is the same as the type of the previously caught error. Please note, that the Finally block is not executed if the error was rethrown.
Example: Before an unexpected System Exception is thrown, the error is caught in TryCatch activity, a mail message is sent to the IT support team, and then the error is rethrown to end the execution.

Exam Topic: Identify and describe the use of the error handling activities such as Try Catch, Throw, Rethrow, Retry Scope, and Global Exception Handler