Expressions

Senior Level Interview Questions

Interview Questions (13)

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Take input as an Array : { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };Print it in 2-D form with where each sub-Array will have "N" elementsEx: Array : { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; N=2Output= {{1,2},{3,4},{5,6},{7,8},{9,10}}

a!localVariables( local!array: { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, local!N: 2, local!list: ceiling(length(local!array) / local!N), a!forEach( items: enumerate(local!list) + 1...

A UAT user shares a production error screenshot displaying the generic message: "Contact your administrator." It includes an error number (e.g., 954c8:bb743). You do not have production screen or data access, but you do have access to the Development environment and the production server logs. How would you debug and resolve this issue?

Locate the Root Cause in the LogsAnalyze stdout Logs: I will first check the "tomcat-stdOut.log" file on the production server to locate the time of the error and se...

Explain Group rule in Appian - For group memberships, Or How to manage users in group dynamically?

There is a feature in Appian which could be called as "Automatic membership rule" - Officially called as Membership Rules - allows us to add users by rule based criteria, and could...

In Appian, Write an expression to check whether it is a Palindrome or Not ?

The purpose of this expression rule is to determine whether a given string is a Palindrome.A palindrome is a word, phrase, or sequence that reads the same forward and backward.Exam...

In Appian, Find vowels in the given array using expression rule. Expected output : { { word: "Apple", vowels: {"A","e"} }, { word: "Sky", vowels: {} }, { word: "Orange", vowels: {"O","a","e"} }, { word: "Fly", vowels: {} }}

a!localVariables( local!words: { "Apple", "Sky", "Orange", "Fly" }, a!forEach( items: local!words, expression: a!localVariables( local!word: fv!item, { wor...

Identify and print the capital, small, integers and symbols from the given string "AdhGy123@".

CODE:a!forEach( items:code("AdhGy123@"), expression:if( and( fv!item >= 0, fv!item <= 9 ), fv!item & " is number", if( and( fv!item &gt...

You need to print the number between 1300 and 1600

Code:a!localVariables( local!initialValue: 1300, a!forEach( items:enumerate(301), expression: local!initialValue + fv!item ))This expression generates a sequence of number...

Find the duplicate words from the paragraph Input - A big buck bucket over the big bug bucket Output- big bucket

To find duplicate words in an Appian sentence, you split the sentence into words, convert to lowercase (for case-insensitive matching), then use a loop (like a!forEach) with wherec...

In Appian, write an expression rule to find duplicate values from an integer array. Input: { 1, 2, 3, 1, 4, 8, 9, 4, 3 }, Expected Output: {1,3,4}.

a!localVariables( local!data: { 1, 2, 3, 1, 4, 8, 9, 4, 3 }, local!duplicateItems: a!forEach( items: local!data, expression: if( count(wherecontains(fv!item, local!dat...

Using Appian expressions, how would you generate a numeric triangle pattern?

Code :a!forEach( items: enumerate(5) + 1, expression: joinarray( a!forEach( items: enumerate(fv!item) + 1, expression: fv!item ), " " ))Step 1: enumerate(5) +...

How can you dynamically display the last 5 years in Appian?

Code :a!localVariables( / Get the current year as an integer / local!currentYear: year(now()), / Generate a list of the last 5 years / local!lastFiveYears: a!forEach( / Enum...

You are given a custom list of maps in Appian, where each map contains fields like name and id. Some of the name values are either null or empty strings. How would you remove the entries that have a null or empty name field using Appian expressions?

This expression local!data holds a list of employee records — each with an id and name. Some names are null.Using a!forEach, the expression loops through each record (fv!item):If t...

In Appian, suppose you have a list of a!map objects with fields name and id. How can you sort this list alphabetically by the name field?

We can use "todatasubset()" to sort map list or complex listCode:a!localVariables( local!data: { a!map(id: 1, name: "Interface"), a!map(id: 2, name: "Process Model"), a...

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Expressions Appian Interview Questions — Senior Level

Expressions

Interview Questions (13)

Take input as an Array : { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };Print it in 2-D form with where each sub-Array will have "N" elementsEx: Array : { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; N=2Output= {{1,2},{3,4},{5,6},{7,8},{9,10}}

Explain Group rule in Appian - For group memberships, Or How to manage users in group dynamically?

In Appian, Write an expression to check whether it is a Palindrome or Not ?

In Appian, Find vowels in the given array using expression rule. Expected output : { { word: "Apple", vowels: {"A","e"} }, { word: "Sky", vowels: {} }, { word: "Orange", vowels: {"O","a","e"} }, { word: "Fly", vowels: {} }}

Identify and print the capital, small, integers and symbols from the given string "AdhGy123@".

You need to print the number between 1300 and 1600

Find the duplicate words from the paragraph Input - A big buck bucket over the big bug bucket Output- big bucket

In Appian, write an expression rule to find duplicate values from an integer array. Input: { 1, 2, 3, 1, 4, 8, 9, 4, 3 }, Expected Output: {1,3,4}.

Using Appian expressions, how would you generate a numeric triangle pattern?

How can you dynamically display the last 5 years in Appian?

You are given a custom list of maps in Appian, where each map contains fields like name and id. Some of the name values are either null or empty strings. How would you remove the entries that have a null or empty name field using Appian expressions?

In Appian, suppose you have a list of a!map objects with fields name and id. How can you sort this list alphabetically by the name field?

Expressions

Interview Questions (13)

Take input as an Array : { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };Print it in 2-D form with where each sub-Array will have "N" elementsEx: Array : { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; N=2Output= {{1,2},{3,4},{5,6},{7,8},{9,10}}

Explain Group rule in Appian - For group memberships, Or How to manage users in group dynamically?

In Appian, Write an expression to check whether it is a Palindrome or Not ?

In Appian, Find vowels in the given array using expression rule. Expected output : { { word: "Apple", vowels: {"A","e"} }, { word: "Sky", vowels: {} }, { word: "Orange", vowels: {"O","a","e"} }, { word: "Fly", vowels: {} }}

Identify and print the capital, small, integers and symbols from the given string "AdhGy123@".

You need to print the number between 1300 and 1600

Find the duplicate words from the paragraph Input - A big buck bucket over the big bug bucket Output- big bucket

In Appian, write an expression rule to find duplicate values from an integer array. Input: { 1, 2, 3, 1, 4, 8, 9, 4, 3 }, Expected Output: {1,3,4}.

Using Appian expressions, how would you generate a numeric triangle pattern?

How can you dynamically display the last 5 years in Appian?

You are given a custom list of maps in Appian, where each map contains fields like name and id. Some of the name values are either null or empty strings. How would you remove the entries that have a null or empty name field using Appian expressions?

In Appian, suppose you have a list of a!map objects with fields name and id. How can you sort this list alphabetically by the name field?