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How do you define an action in aura?
An Aura. Action is a reference to an action in the framework. If a child component has an Aura. Action attribute, a parent component can pass in an action handler when it instantiates the child component in its markup.
How does Aura method work?
This enables you to directly call a method in a component’s client-side controller instead of firing and handling a component event. Using aura:method simplifies the code needed for a parent component to call a method on a child component that it contains.
How to add a parameter to an aura method?
An can optionally include parameters. Use an tag within an to declare a parameter for the method. For example: For more information, see the Returning a Value section below. You don’t need an access system attribute in the tag for a parameter.
How to use aura method in Lightning component?
aura:method Use to define a method as part of a component’s API. This enables you to directly call a method in a component’s client-side controller instead of firing and handling a component event. Using simplifies the code needed for a parent component to call a method on a child component that it contains.
How to use aura method in parentcomponetcontroller?
In ParentComponetController, we are simply finding child component and calling its aura method. Here is output when user clicks on Call child button. Output is ‘Hello World’ because no value of parameter is passed. So it is showing default value. In the above example, we are using parameters of the child component.
How does the aura method work in Salesforce?
Now when the user will click on the ‘Call Child’ button on the parent component. The output will be ‘Happy Coding Readers’ instead of ‘Hello World’ because we are passing the value of attributes. aura:method always executes synchronously so method execution finishes before it returns.