[SOLVED] How to add cancel button to infinite dialog

1

Please help me!
I need create a infinite dialog have cancel button

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2 
app.dialog.create({
  content:  '<h5>loading...!</h5><div class="progressbar-infinite color-multi"></div>',
  buttons: [{
    text: 'Ok'
  }]
}).open()
3

Thanks bro! I did it!