The /meta/write Robot

We can enrich media files with meta data and generate playlists for them.

The /meta/write Robot writes meta data into any file that supports it.


Name Type Default Description
data_to_write Object {} A key/value map defining the meta data to write into the file.

Live demos

Our /meta/write Robot can be used in combination with other Robots, to create powerful workflows unique to your use case.
Here are a few example scenarios, and the required Assembly Instructions to implement them.
You can also try demos of these examples right here, live on our website.

Write meta data to an image

  "steps": {
    ":original": {
      "robot": "/upload/handle"
    "attributed": {
      "use": [":original"],
      "robot": "/meta/write",
      "result": true,
      "data_to_write": {"copyright":"Copyright 2018 Transloadit"}
    "exported": {
      "use": ["attributed", ":original"],
      "robot": "/s3/store",
      "credentials": "demo_s3_credentials"

Blog posts about our /meta/write Robot

Over the years, we wrote the following posts about our /meta/write Robot on our blog:

Did you know?

You can easily combine Robots to create powerful workflows, unique to your business.
This is the power of Transloadit.