Put file

The Put action uploads a file from the local file system to a MinIO bucket.

This is useful when you want to store a file in MinIO, for example to keep a camera snapshot or a generated report in object storage.

Using this action from the user interface

If you prefer building automations and scripts visually, Home Assistant walks you through this action step by step. You pick what to target, tweak a few options, and save. No YAML knowledge required.

Prerequisites

• The file path must be added to allowlist_external_dirs in configuration.yamlThe configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more].

To upload a file from an automation or a script:

1. Go to Settings > Automations & scenes.
2. Open an existing automation or script, or select Create automation > Create new automation.
3. If you’re setting up a new automation, add a trigger in the When section. Scripts don’t need a trigger. They run when something else calls them.
4. In the Then do section, select Add action.
5. From the search box, search for and select Minio: Put.
6. Enter the Bucket, the Key to store the object under, and the File path of the local file.
7. Select Save.

This action does not support targets. In the UI, you are not prompted to choose an area, device, entity, or label.

Options in the UI

Using this action in YAML

If you work directly in YAML, or you want to know exactly what Home Assistant does under the hood, this section has the technical reference. It lists the field names you use in YAML, their types, and which ones are required.

In YAML, refer to this action as minio.put. A basic example looks like this:

action: minio.put
data:
  bucket: "camera-files"
  key: "front_camera/snapshot.jpg"
  file_path: "/data/camera_files/snapshot.jpg"

This uploads the local file to the bucket under the given key.

Options in YAML

Try it yourself

Ready to test this? Open Developer tools > Actions, search for this action, fill in the fields, and select Perform action. You see what happens on your actual entitiesAn entity represents a sensor, actor, or function in Home Assistant. Entities are used to monitor physical properties or to control other entities. An entity is usually part of a device or a service. [Learn more] without writing a line of YAML.

More examples

Real scenarios where this action shows up in automations and scripts. Copy any example and adapt it to your setup.

Automation: upload a camera snapshot to MinIO

When motion is detected, take a snapshot and upload it to a MinIO bucket for storage.

• Trigger: A motion sensor turns on
• Action: Camera: Take snapshot, followed by Minio: Put

alias: "Store snapshot in MinIO"
triggers:
  - trigger: state
    entity_id: binary_sensor.front_door_motion
    to: "on"
actions:
  - action: camera.snapshot
    target:
      entity_id: camera.front_door
    data:
      filename: "/data/camera_files/snapshot.jpg"
  - action: minio.put
    data:
      bucket: "camera-files"
      key: "front_door/snapshot.jpg"
      file_path: "/data/camera_files/snapshot.jpg"

Still stuck?

The Home Assistant community is quick to help: join Discord for real-time chat, post on the community forum with the action you’re calling and what you expected to happen, or share on our subreddit /r/homeassistant.

Related actions

These actions work well alongside this one:

• Get file: Downloads a file from a MinIO bucket to the local file system.

• Remove file: Deletes a file from a MinIO bucket.