How do you call an Apex class from a lightning component?
Lightning web components can import methods from Apex classes into the JavaScript classes using ES6 import. import apexMethod from ‘@salesforce/apex/Namespace. Classname. apexMethod’;…To call an Apex method, a Lightning web component can:
- Wire a property.
- Wire a function.
- Call a method imperatively.
Can a flow Call apex?
Apex Action in the Flow Once you have the Apex code in place, you can add the Apex Action Flow element in your flow. You can see that the “label” we defined in our Apex class is the displayed name in the Apex Action. When you add the Apex Action, you can define the input and output parameters as desired.
How do I create a lightning component in apex?
Now go to setup > tabs > Lightning Component tabs > New and define a new tab for this lightning component. Ensure that you have enabled My domain in your organization for lightning component tabs to be visible in your setup. It won’t allow you to create a lightning component unless you have My domain enabled in your organization.
How to create custom apex classes for components?
Component attribute types can be custom Apex classes, and the following standard Apex classes. To make use of values held in other Apex built-in classes, create a custom Apex class, and copy needed values from instances of the standard class into your custom class.
Can a web component import methods from apex?
Lightning web components can import methods from Apex classes. The imported methods are functions that the component can call either via @wire or imperatively. Before you use an Apex method, make sure that there isn’t an easier way to get the data, for example, using a base Lightning component.
Where can I find custom APEX data types?
The following Apex data types can be serialized from @AuraEnabled properties and methods. Custom classes used for component attributes shouldn’t be inner classes or use inheritance. While these Apex language features might work in some situations, there are known issues, and their use is unsupported in all cases.