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GTX help & guides

Marlin GTX help

Point-of-sale and business management for tyre and mechanical workshops.

Mobile Attachments

Learn about Marlin mobile app attachments for Marlin GTX trusted automotive software by Megabus.

Updated 12 October 2026

**Marlin GTX** enables workshop staff to upload photos and files from the Mobile App and link them to Work Orders or Invoices.

Attachments can be uploaded directly to specific work orders, or uploaded as unallocated attachments and linked later in GTX.

Uploading Attachments

To access the Proof of Delivery module in the Marlin mobile app:

  • Tap on the menu icon (three lines) at the top-right
  • Then tap Proof of Delivery

The Attachments module will open.

To upload an attachment:

  • Select an Attachment Type (top-left)
  • Tap Select an Attachment to:
  • Take a photo
  • Select an image
  • Select a document
  • Enter a Description (if required)

Additional attachments can be uploaded by tapping on the plus icon

Help centre screenshot

at the bottom-right.

Attachments can be cleared by tapping on the reset icon

Help centre screenshot

.

To upload attachments, tap on:

  • The cloud icon
Help centre screenshot

to upload as an unallocated attachment

  • The clipboard icon
Help centre screenshot

to attach to a work order:

  • Enter the Work Order Number
  • Tap Submit

Note

Mobile Attachments use the same Attachment Types configured in GTX.

Unallocated Attachments

Unallocated attachments uploaded from the Marlin mobile app can be added to invoices and work orders as usual by:

  • Clicking on the Attachments button at the top of the moduel window in GTX
  • Selecting Unallocated

See the Attachments help guide for further information.

The attachment can then be manually linked from the top of the relevant document.

Planner Task Attachments

Attachments can also be added to bookings by tapping on the Attachments heading within a planner task.

To add an attachment:

  • Tap on the +Attachment button
  • Select the appropriate option:
  • Select the Attachment Type
  • Enter a Description
  • Tap Send

Note

Attachments cannot currently be viewed from within the Marlin mobile app.