> For the complete documentation index, see [llms.txt](https://doc.open-tx.org/opentx-2-3-lua-reference-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.open-tx.org/opentx-2-3-lua-reference-guide/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/crossfiretelemetrypush.md).

# crossfireTelemetryPush()

This functions allows for sending telemetry data toward the TBS Crossfire link.

When called without parameters, it will only return the status of the output buffer without sending anything.

@status current Introduced in 2.2.0, retval nil added in 2.3.4

## Parameters

* `command` command
* `data` table of data bytes

## Return value

* `boolean` data queued in output buffer or not.
* `nil` incorrect telemetry protocol.