lightning:fileUpload component example
Sample Code: Component: <aura:component implements="force:appHostable" > <lightning:fileUpload label="Attach receipt" name="fileUploader" multiple="true" accept=".pdf, .png" recordId="0016A00000MneVlQAJ" onuploadfinished="{!c.handleUploadFinished}" /> </aura:component> Controller: ({ handleUploadFinished: function (cmp, event) { var uploadedFiles = event.getParam("files"); alert("Files uploaded"); ....