<script> window.bxApiInit = function() { booxiController.configure({}); }; var props = { apiKey: "API_KEY", bookingFlow: "locations", locationTags: "tag1,tag2,tag3", language: "eng" }; function createCustBtn() { booxiController.open(null, props); } </script> <div class="bx_bn_button" onclick="createCustBtn()">Book Now</div>