import { LightningElement, track, wire,api } from 'lwc'; import { CurrentPageReference } from "lightning/navigation"; import { CloseActionScreenEvent } from 'lightning/actions'; import { ShowToastEvent } from 'lightning/platformShowToastEvent'; export default class lexCampaignMember extends LightningElement { @api recordId; IsLoading=true; Campaign; @wire(CurrentPageReference) getStateParameters(currentPageReference) { if (currentPageReference) { const urlValue = currentPageReference.state.recordId; if (urlValue) { let str = `${urlValue}`; this.recordId = str; } } } connectedCallback(){ this.CampaignMember().then(result => { this.IsLoading=false; this.dispatchEvent(new CloseActionScreenEvent()); const passOneEvent = new CustomEvent('closem', {      detail: '111' }); this.dispatchEvent(passOneEvent); }); } async CampaignMember (){ window.open("/apex/CampaignMember?id=" + this.recordId,'CampaignMember','height=400,width=890,top=0,left=0,toolbar=no,menubar=no,scrollbars=yes,resizable=no,location=no,status=no'); } }