Variables Arguments and control flow_UiPath.ppt
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The document discusses variables, arguments, and control flow in UiPath Studio. It defines workflows, variables, and arguments. Variables store data values and help pass data between activities. Arguments pass data between workflows and have direction properties. The document also covers control flow statements like If, loops (Do While, While, For Each), and Switch which define the order of activity execution. It provides examples of creating variables, arguments, and using control flow statements. It links to online courses and provides an example problem statement on calculating age from date of birth using variables, arguments, and control flow.
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Variables Arguments and control flow_UiPath.ppt
- 1. Variables, Arguments, control flow activities and String Operations ~Divyashree
- 2. 2 • A workflow represents a small piece of automation that you can take and re- use in your projects. It is basically your canvas, the place where you design and work with all the UiPath Studio activities and it defines the flow of your automation. Hence the name, workflow. Types of Workflows: • Sequences • Flowcharts • State Machines • Global Exception Handler Workflows
- 3. 3 • Variables are containers that can hold multiple data entries (values) of the same data type. For example, EmailAddress can be a variable that holds the values like rpadeveloper@uipath.com, rpasupport@uipath.com etc one at a time of execution. • Variables help us pass data from one activity to another. Advancing with any programming would be hardly possible without using variables. Variables
- 4. 4 • Name - The variable's name is its unique ID and it defines the way it is displayed and used • Type - It defines what kind of data can be stored in the variable, type must be declared when it has been created. • Default Value – Initial value of the variable, if none of the Other value has been assigned it will consider default value for the execution. • Scope – Global and Local are the two scope which defines the visibility of the variable in workflow. the scope of a variable cannot exceed the workflow in which it was defined Properties of Variable
- 5. 5 • From Variable Panel • From Expression • From the properties Panel Sample Demo More Details : https://docs.uipath.com/studio/v2020.10/docs/ managing-variables Creating of Variables
- 6. 6 • Arguments are very similar to variables: • They store data dynamically • They have the same data types • They support the same methods and properties • The difference is that they pass data between workflows, and they have an additional property for this – the direction. • Arguments have specific directions: In, Out, and In/Out. These tell the Robot where the information stored in them is supposed to go Arguments
- 7. 7 Creating of Arguments • From Argument Panel • From Expression • From the properties Panel Sample Demo More Details: https://docs.uipath.com/studio/docs/managing- arguments
- 8. 8 • Control flow - is the order in which activities are executed or evaluated in a software project. • Control flow is enacted with two concepts such as Sequence and flowchart. • Control flow statements - The activities and methods used to define the decisions to be made during the execution of a workflow. The most common control flow statements are If, While, Do While, For Each, Switch, and Parallel. We will focus on them one by one. Control flow and its statements
- 9. 9 the If statement is comprised from the elements you would expect it to be: • The Condition that is verified (with 2 potential outcomes – true or false). • The Then branch - the set of actions to be executed when the condition is true. • The Else branch - the set of actions to be executed when the condition is false. What is different is that, based on the chosen type of layout, there are 2 corresponding activities that fulfill the If statement role: • The If activity in sequences. • The Flow Decision activity in flowcharts. More details : https://docs.uipath.com/activities/docs/if IF
- 10. 10 • Loops are repetitions of a set of operations based on a given condition. In UiPath, the most important. • loops are: Do While, While and For Each. • Do while : It executes a specific sequence while a condition is met. The condition is evaluated after each execution of the statements. • While : It executes a specific sequence while a condition is met. The condition is evaluated before each execution of the statements. The key difference between Do While and While is that for Do While, the activities contained within it are executed at least once. • For each : It performs an activity or a series of activities on each element of an input collection. This is very useful in data processing. Consider an Array of integers. For Each would enable the robot to check whether each numeric item fulfills a certain condition. Loops
- 11. 11 • Loops are repetitions of a set of operations based on a given condition. In UiPath, the most important. • loops are: Do While, While and For Each. • Do while : It executes a specific sequence while a condition is met. The condition is evaluated after each execution of the statements. • While : It executes a specific sequence while a condition is met. The condition is evaluated before each execution of the statements. The key difference between Do While and While is that for Do While, the activities contained within it are executed at least once. • For each : It performs an activity or a series of activities on each element of an input collection. This is very useful in data processing. Consider an Array of integers. For Each would enable the robot to check whether each numeric item fulfills a certain condition. Loops
- 12. 12 • It is a type of control flow statement that executes a set of activities out of multiple, based on the value of a specific expression. • In other words, we use it instead of an If statement when we need at least 3 potential courses of action. • This is done through the condition, which is not Boolean like in the case of If statement, but multiple. • More details : //docs.uipath.com/activities/docs/switch Switch
- 14. 14 Create two workflows 1. main 2. Age calculator(calculate the age based on DOB) In main Take name and DOB from the user using Input dialogue box: Create variable – Name, DOB and age. In Age calculator create 2 arguments In – DOB, Out – Age. Come back to Main check if the age is < 18 – display “’Name’+ is a teenager” if the age is 17<25<60 display “’Name’ + is in adulthood” age>60 display “’Name’_ is in old age”. To enhance this you can take teen, adult and old as a string and consider them as cases in switch and display the message inside your switch case. Problem statement
- 15. 15 Thank You
- 16. 16 ➤ Social Media Links To Connect 👉 YouTube :https://www.youtube.com/channel/UCxERg-RMVgFODOG7p4vt0JQ 👉 LinkedIn : https://www.linkedin.com/in/divyashree-muddagangaiah/ 👉 Twitter : https://twitter.com/0987Divy