App reg vs App inv

https://piyushksingh.com/2018/12/26/register-app-in-sharepoint/

SharePoint Framework(SPFx) webpart with elevated privileges using MS Flow?

https://social.technet.microsoft.com/wiki/contents/articles/51661.sharepoint-framework-spfx-webpart-with-elevated-privileges-using-ms-flow.aspx

Graph API

SharePoint Framework - Logging

The logging levels are pre-defined.

 

Logging Level	Definition
Verbose	Corresponds to lengthy events. Logs almost everything.
Information	Does not require any attention. However, they provide valuable data for monitoring the state of solution.
Warning	Indicates potential problem or issue that might need attention. We should monitor the pattern over  time. If ignored, warning may result in sever error.
Error	Requires urgent attention. All error events should be investigated.
Critical	Indicates serious error that has caused major failure in the solution
None	No logging occurs

import ILogHandler from '@microsoft/sp-core-library/lib/log/ILogHandler';
import { ServiceScope } from '@microsoft/sp-core-library';

export enum LogLevel {
  Verbose = 1,
  Info,
  Warning,
  Error
}













import { Log } from '@microsoft/sp-core-library'; 
Define our log source.
const LOG_SOURCE: string = 'SPFxLogger'; 
Log the messages from web part.
@override 
public onInit(): Promise<void> { 
  Log.info(LOG_SOURCE, 'Hello world from SPFx Logger'); 
  Log.info(LOG_SOURCE, JSON.stringify(this.properties, undefined, 2)); 
  Log.info(LOG_SOURCE, `Access the strings as "${strings.BasicGroupName}"`); 
  return Promise.resolve<void>(); 
} 




https://www.c-sharpcorner.com/article/sharepoint-framework-logging/#:~:text=SharePoint%20Framework%20(SPFx)%20also%20has,lifecycle%20of%20the%20web%20part.&text=The%20logging%20levels%20are%20pre%2Ddefined.&text=Corresponds%20to%20lengthy%20events.,Logs%20almost%20everything.