cfs:autoform: File input doesn't show up

files.js

var FileStore = new FS.Store.S3("filesStore", {
    // Credentials
});

Files = new FS.Collection("files", {
    stores: [FileStore]
});

Files.allow({
    download: function () {
        return true;
    },
    fetch: null
});


if(Meteor.isServer) {
    Meteor.publish('files', function() {
        return Files.find({});
    });
}

// TODO: This could be a performance bottleneck
if(Meteor.isClient) {
    Meteor.subscribe('files');
}

item-schema.js

ItemSchema = new SimpleSchema({
            name: {
                type: String,
                label: "Name"
            },
            comment: {
                type: String,
                label: "Comment",
                optional: true
            },
            fileId: {
                type: String,
                label: 'File',
                optional: true,
                autoform: {
                    afFieldInput: {
                        type: "cfs-file",
                        collection: "files"
                    }

                }
            }
        });

item-template

<template name="exampleTypeForm">
{{#autoForm id="itemForm" collection=Items type="insert"}}
    {{> afQuickField name="name" }}
    {{> afQuickField name="comment" }}
    {{> afQuickField name="fileId"}}
       <div>
            <button type="submit" class="btn btn-primary">Submit</button>
        </div>
{{/autoForm}}
</template>