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Work with Salesforce Data trailhead solution -( Create an Apex controller and wire a method that returns account records filtered by annual revenue.)
public with sharing class AccountListControllerLwc {
@AuraEnabled(cacheable=true)
public static Account queryAccountsByRevenue(Decimal annualRevenue){
return [ SELECT Name FROM Accoun WHERE AnnualRevenue >= :annualRevenue ];
}
}
AccountFinder.html :-
<template>
<lightning-card>
<lightning-input
type="number"
label="Annual Revenue"
formatter="currency"
value={annualRevenue}
onchange={handleChange}>
</lightning-input>
<lightning-button
label="reset"
onclick={reset}>
</lightning-button>
<template if:true={accounts.data}>
<template for:each={accounts.data} for:item="account">
<p key={account.Id}>{account.Name}</p>
</template>
</template>
</lightning-card>
</template>
AccountFinder.js :-
import { LightningElement,wire } from 'lwc';
import queryAccountsByRevenue from '@salesforce/apex/AccountListControllerLwc.queryAccountsByRevenue';
export default class AccountFinder extends LightningElement {
annualRevenue = null;
handleChange(event){
this.annualRevenue = event.detail.value;
}
reset(){
this.annualRevenue= null;
}
@wire(queryAccountsByRevenue ,{annualRevenue : '$annualRevenue'})
accounts;
}
AccountFinder.xml :-
<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata">
<apiVersion>52.0</apiVersion>
<isExposed>true</isExposed>
<targets>
<target>lightning__AppPage</target>
<target>lightning__RecordPage</target>
<target>lightning__HomePage</target>
</targets>
</LightningComponentBundle>
Please note that Questions about how to pass Trailhead challenges are not on topic, because these challenges are intended to be independent demonstrations of your abilities.Trailhead Help (https://trailhead.salesforce.com/en/help?support=home)can provide assistance for situations where Trailhead does not appear to be functioning correctly. You can reach out to them if this is the case.
Thanks!
@wire is a property useful when you want to consume the data, If the property decorate with @wire is used as an attribute in the template and
its value changes according to the Data, the @wire property requests the data and triggers the component to rerender.
you can learn about Wire In LWC from this module and can complete this challenge :
https://trailhead.salesforce.com/en/content/learn/modules/lightning-web-components-and-salesforce-data/use-apex-to-work-with-data?trail_id=build-lightning-web-components
https://developer.salesforce.com/docs/component-library/documentation/en/lwc/lwc.data_wire_service_about
If you find your Solution then mark this as the best answer.
Thank you!
Regards,
Suraj Tripathi