Create gallery

[duclt]

i want create a gallery able choose image to post
html code

  <ion-col
          col-4 text-center
          text-uppercase
          id={{image.id}}
          (click)='onChoose(image.id)'
          [ngClass]="{'active': id === image.id}"
        >

ts code

  onChoose(id) {
    this.id = id
  }

but by the way i just choose one image . how to choose many images
thanks for reading my question thanks for any solutions