Hi @jajaja ,
You can do that by using the HTML, Liquid and JS. You can check the below article for more information
Power Apps Portals – Going beyond with Portals using Web API – Oliver Rodrigues (oliverrodrigues365.com)
Also you have to define the below function before starting using the Portal webapi, bu this point is not mentioned at the article so I preferred to highlight that
(function(webapi, $){
function safeAjax(ajaxOptions) {
var deferredAjax = $.Deferred();
shell.getTokenDeferred().done(function (token) {
// add headers for AJAX
if (!ajaxOptions.headers) {
$.extend(ajaxOptions, {
headers: {
"__RequestVerificationToken": token
}
});
} else {
ajaxOptions.headers["__RequestVerificationToken"] = token;
}
$.ajax(ajaxOptions)
.done(function(data, textStatus, jqXHR) {
validateLoginSession(data, textStatus, jqXHR, deferredAjax.resolve);
}).fail(deferredAjax.reject); //AJAX
}).fail(function () {
deferredAjax.rejectWith(this, arguments); /*on token failure pass the token AJAX and args*/
});
return deferredAjax.promise();
}
webapi.safeAjax = safeAjax;
})(window.webapi = window.webapi || {}, jQuery)
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