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2026-02-11 22:43:01 +00:00
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docs/en/msg_docs/ParameterUpdate.md
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@@ -1,8 +1,32 @@
---
pageClass: is-wide-page
---
# ParameterUpdate (UORB message)
This message is used to notify the system about one or more parameter changes
This message is used to notify the system about one or more parameter changes.
[source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/ParameterUpdate.msg)
**TOPICS:** parameter_update
## Fields
| Name | Type | Unit [Frame] | Range/Enum | Description |
| -------------- | -------- | ------------ | ---------- | ---------------------------------------- |
| timestamp | `uint64` | | | time since system start (microseconds) |
| instance | `uint32` | | | Instance count - constantly incrementing |
| get_count | `uint32` | | |
| set_count | `uint32` | | |
| find_count | `uint32` | | |
| export_count | `uint32` | | |
| active | `uint16` | | |
| changed | `uint16` | | |
| custom_default | `uint16` | | |
## Source Message
[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/ParameterUpdate.msg)
::: details Click here to see original file
```c
# This message is used to notify the system about one or more parameter changes
@@ -19,5 +43,6 @@ uint32 export_count
uint16 active
uint16 changed
uint16 custom_default
```
:::