How to customize existing button or add a new button in Angular

[codertushar]

editor.addCommand(this.command, {
      exec: (evt: any) => {
        this.click.emit(evt);
      },
    });

    editor.ui.addButton(this.name, {
      label: this.label,
      command: this.command,
      toolbar: this.toolbar,
      icon: this.icon,
    });

For example: I have made ckbutton directive which takes input and set it above.

<div ckbutton 
    [name]="'Hyperlink'" 
    [command]="'hyperlinkCmd'" 
    (click)="openHyperLinkDialog($event)" 
    [icon]="'Link'"
        [label]="'Hyper link (URL)'" 
    [toolbar]="'link'"></div>

Here, I want to edit existing Link button to customize click functionality. The problem is it doesn't add to the editor.

[Dumluregn]

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