How To Add More Button At Top Of Grid Data
Some cases you need to add extra button at top of grid data. For example you need to add a custom print button. And you've created a method to print.
Open the module controller, and find $this->index_button .
php
$this->index_button[] = ['label'=>'Advanced Print','url'=>CRUDBooster::mainpath("print"),"icon"=>"fa fa-print"];