ACD101 Questions and Answers

The a!refreshVariable function should be configured to refresh when the local!username variable changes. This is achieved by setting the refreshOnVarChange parameter to local!username, which will update the local!usernameLastModified variable with the current timestamp whenever local!username is modified.References

• Appian Documentation: a!refreshVariable Function

To define record type relationships in Appian, it's required that the record types have data sync enabled. This is necessary to ensure that the data is readily available in Appian for the relationships to be established and maintained.References

• Appian Documentation: Record Type Relationships

When an error occurs on an unattended node in a running process instance:

• The process is not paused, allowing other parallel paths to continue.
• An alert is typically sent to appropriate recipients, such as administrators, to notify them of the issue.
• These nodes are not counted in thenum_problem_tasksprocess metric, which is used in process reports to track problematic tasks.

This behavior ensures that the rest of the process can continue as intended while alerting administrators to intervene and address the error.References

• Appian Documentation: Error Handling in Processes

• Timer Event: Can accept one incoming path and select one outgoing path.
• XOR Gateway: Can accept multiple paths; when all paths arrive, all outgoing flows are executed at the same time.
• Script Task: Can run automated activities.
• AND Gateway: Can accept multiple paths; when all paths arrive, all outgoing flows are executed at the same time.

• Timer Events in a process model are used to delay the process flow until a specific time condition is met. They are configured to have one input and one output.
• XOR Gateways are decision points that can diverge the process into different paths based on conditions. If used to converge, they bring together different paths but will continue as soon as one of the incoming paths is activated.
• Script Tasks are automated activities within a process that run scripts or expressions without user intervention.
• AND Gateways are used to synchronize parallel flows in a process. When used to converge parallel paths, they wait for all incoming paths to complete before continuing.

References

• Appian Documentation: Process Modeler Objects

To achieve the behavior where users see only "active" vehicle records by default but can also view all records when needed, you should configure a user filter for the status field on theVehicle record list. This user filter should have a default value set to "active", which will filter the list to only show active records initially. However, users will still have the option to adjust the filter to see all records, thus accommodating occasional auditing requests.References:Appian Documentation - Record List Filters and User Filters

Given thatri!nameis defined as "Maria" andri!directorycontains twoa!map()structures, one of which includes the name "Maria," the expressionwherecontains(ri!name, index(ri!directory, "name"))will evaluate as follows: Theindex()function will return a list of values fromri!directoryfor the key "name," which will be{"Maria", "Steven"}. Thewherecontains()function will then check where "Maria" is found within this list. Since "Maria" is the first element, the function will return a list of indices where "Maria" is found, in this case,{1}. Appian lists are 1-indexed, so the first position is represented by 1, not 0.References:Appian Expression Language Documentation - Functions

Appian's data sync feature supports synchronization from three primary data sources: Salesforce, Process Models, and Databases. This allows for the creation of record types that can efficiently access and manipulate data from these sources, leveraging Appian's capabilities to provide real-time insights and interactions with external systems and internal processes.References

• Appian Documentation: Creating Record Types

While editing an interface object in Appian, you can add test data into your rule inputs by selecting the Test button. This feature allows you to simulate how the interface would behave with specific inputs, facilitating a more efficient and accurate design and debugging process.References

• Appian Documentation: Testing Interfaces

Thedisplayvalue()function matches a given value with an array and returns the value at the same index from a replacement array or a default value if not found. In the snippetdisplayvalue(1, {0, 1, 2}, {"Low", "Medium", "High"}, "Unknown"), the value1is matched inthe array{0, 1, 2}at index 1. The function then returns the value at index 1 in the array{"Low", "Medium", "High"}, which is"Medium".References:Appian Expression Language Documentation - Functions

According to Appian best practices, the most efficient way to retrieve the total number of authors without loading all the data is to use a query that includes an aggregation function. Option B uses an aggregation field with a COUNT function, which is designed to return the number of rows that match a query without the need to retrieve and load all row data, thus optimizing performance.

References

• Appian Documentation: a!queryRecordType Function

Appian Community discussions provide a platform for Appian Developers to connect with, share expertise, and learn from each other. The community is a vibrant space where developers can ask questions, share solutions, and discuss best practices related to Appian development. While Appian Learning Paths via Appian Academy and Appian Knowledge Base are valuable resources for learning and troubleshooting, the Community discussions specifically facilitate peer-to-peer interaction and knowledge sharing among developers.References:Appian Community Website

The error message indicates that the choiceValues array is not the same length as the choiceLabels array. In this scenario, there are more labels than values, which means the choiceValues array needs additional values to match the number of labels.References

• Appian Documentation: Dropdown Field