AttachmentUploader.html

<!-- AttachmentUploader-->
<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,force:lightningQuickAction" access="global" >
	
    <aura:attribute name="recordId" type="Id"/>
    <aura:attribute name="accept" type="List" default="['.jpg', '.jpeg', '.pdf', '.zip', '.png']"/>
    <aura:attribute name="multiple" type="Boolean" default="true"/>
    <aura:attribute name="disabled" type="Boolean" default="false"/>
    
    <aura:registerEvent name="AttachmentUploaderEvent" type="c:AttachmentUploaderEvent"/>
    <aura:registerEvent name="updateAttachmentsAppEvent" type="c:updateAttachmentsAppEvent"/>
    
    <lightning:fileUpload
                          multiple="{!v.multiple}" 
                          accept="{!v.accept}" 
                          recordId="{!v.recordId}" 
                          onuploadfinished="{!c.handleUploadFinished}" />
    
    
</aura:component>

Please upload AttachmentUploader.js!