How do you communicate between two components of an aura?

How do you communicate between two components of an aura?

Salesforce Lightning Components communication can be done in two ways:

1. Parent Component :
2. Child Component:
3. Lightning Application.

How do you pass value from one component to another in Aura component?

How to Pass Data From One Component to Another in Salesforce Lightning?

1. First create an event named “Result.
2. UserInput.
3. Looking for Salesforce Lightning Services?
4. Now create the client-side controller for UserInput.cmp.
5. Now, we need to define the DisplayResult, which will display the result.

How do you handle attributes in Aura Lightning component?

Lightning Component Attribute (aura:attribute) are like member variables on a class in Apex….What is lightning Component Attribute : Aura:attribute

1. Each attribute must have “name” and “type“.
2. To make attribute as required use required=”true” in the tag.
3. To make default value use default=”string or integer“.

How do you make an aura event?

Create a custom component event using the tag in a . evt resource. Events can contain attributes that can be set before the event is fired and read when the event is handled. Use type=”COMPONENT” in the tag for a component event.

How do you communicate between two components of lightning?

Communicate Between Unrelated Components

1. Create a Lightning Message Channel.
2. Create the Publisher Component.
3. Create the Subscriber Component.
4. Add the New Components to the Event Comms App.
5. Resources.

How do you call an aura method?

global—Any component in any namespace can call the method. The method description. An aura:method can optionally include parameters. Use an aura:attribute tag within an aura:method to declare a parameter for the method.

What is C in lightning component?

c (Controller) Value Provider: This value provider enables you to wire up event handlers and action for the component. Client side controller handles events within a component. It’s a JavaScript resource that defined the functions for all of the components actions.

What is the purpose of Aura attribute?

An aura attribute is like a variable that we use in programming language or in Apex class. These are typed fields and set on a specific instance of a component. These attributes can be used inside the component as expressions and in controller and helper as well.