lightning/uiRecordApi Example (Create Record)

Create Record example.

createRecord.js-meta.xml

<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata" fqn="createRecord">
    <apiVersion>45.0</apiVersion>
    <isExposed>true</isExposed>
    
    <targets>
        <target>lightning__AppPage</target>
        <target>lightning__RecordPage</target>
        <target>lightning__HomePage</target>   
    </targets>
</LightningComponentBundle>

createRecord.html

<template>
    <lightning-card title="Create Account">
        <lightning-layout>
            <lightning-layout-item>
                <lightning-input label="Account Name" onchange={handleChanges} class="slds-m-bottom_x-small"></lightning-input>
                <br/>
                <lightning-input label="Account Site" onchange={handleChanges} class="slds-m-bottom_x-small"></lightning-input>
                <br/>
                <button onclick={createAccountRecord}>Create</button>
            </lightning-layout-item>
        </lightning-layout>
    </lightning-card>
</template>

createRecord.js

import { LightningElement } from 'lwc';
import { createRecord } from 'lightning/uiRecordApi';
import { ShowToastEvent } from 'lightning/platformShowToastEvent';
import ACCOUNT_OBJECT from '@salesforce/schema/Account';
import ACCOUNT_NAME from '@salesforce/schema/Account.Name';
import ACCOUNT_SITE from '@salesforce/schema/Account.Site';

export default class CreateRecord extends LightningElement {
    accountId;
    inputLabel;
    inputValue;
    accName;
    accSite;
    
    // Fetch user input.
    handleChanges(event){
        this.inputLabel = event.target.label;
        this.inputValue = event.target.value;
        if( this.inputLabel === "Account Name" && this.inputValue !== null && this.inputValue !=='' && this.inputValue !== undefined)            
            this.accName = event.target.value;
        if( this.inputLabel === "Account Site" && this.inputValue !== null && this.inputValue !=='' && this.inputValue !== undefined)
            this.accSite = event.target.value;
    }

    // Perform create action.
    createAccountRecord(){
        const fields = {};
        fields[ACCOUNT_NAME.fieldApiName] = this.accName;
        fields[ACCOUNT_SITE.fieldApiName] = this.accSite;

        const recordInput = { apiName: ACCOUNT_OBJECT.objectApiName, fields };

        createRecord(recordInput)
        .then(account => {
            this.accountId = account.id;
            this.dispatchEvent(
                new ShowToastEvent({
                    title: 'Success',
                    message: 'Account Id ' + this.accountId + ' is created successfully.',
                    variant: 'success',
                }),
            );
        })
        .catch(error => {
            this.dispatchEvent(
                new ShowToastEvent({
                    title: 'Error while creating account record',
                    message: error.body.message,
                    variant: 'error',
                }),
            );
        });
    }
}

Output: