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docs/en/msg_docs/UlogStreamAck.md
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@@ -1,9 +1,32 @@
---
pageClass: is-wide-page
---
# UlogStreamAck (UORB message)
Ack a previously sent ulog_stream message that had
the NEED_ACK flag set
Ack a previously sent ulog_stream message that had. the NEED_ACK flag set.
[source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/UlogStreamAck.msg)
**TOPICS:** ulog_streamack
## Fields
| Name | Type | Unit [Frame] | Range/Enum | Description |
| ------------ | -------- | ------------ | ---------- | -------------------------------------- |
| timestamp | `uint64` | | | time since system start (microseconds) |
| msg_sequence | `uint16` | | |
## Constants
| Name | Type | Value | Description |
| ------------------------------------------- | ------- | ----- | -------------------------------------------------------------------------------- |
| <a href="#ACK_TIMEOUT"></a> ACK_TIMEOUT | `int32` | 50 | timeout waiting for an ack until we retry to send the message [ms] |
| <a href="#ACK_MAX_TRIES"></a> ACK_MAX_TRIES | `int32` | 50 | maximum amount of tries to (re-)send a message, each time waiting ACK_TIMEOUT ms |
## Source Message
[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/UlogStreamAck.msg)
::: details Click here to see original file
```c
# Ack a previously sent ulog_stream message that had
@@ -14,5 +37,6 @@ int32 ACK_TIMEOUT = 50 # timeout waiting for an ack until we retry to send the
int32 ACK_MAX_TRIES = 50 # maximum amount of tries to (re-)send a message, each time waiting ACK_TIMEOUT ms
uint16 msg_sequence
```
:::