ldsExample.js

import { LightningElement, api } from 'lwc';
import { createRecord } from 'lightning/uiRecordApi';
import ACCOUNT_OBJECT from '@salesforce/schema/Account';

export default class MyComponent extends LightningElement {
    @api objectApiName;
    @api recordId;
    handleCreateRecord() {
        const fields = {
            Name: 'Test Account'
        };
        const recordInput = { apiName: this.objectApiName, fields };
        createRecord(recordInput)
            .then(response => {
                this.recordId = response.id;
            })
            .catch(error => {
                console.error(error);
            });
    }
}