How can I align the caption of a longtblr to the left?
tables add tag
CarLaTeX 
How can I align the caption to the left?

I tried with

```
\SetTblrStyle{caption}{halign=l}
```

but it doesn't give the desired result.

```
\documentclass{article}
\usepackage{geometry}
\usepackage{tabularray}
\SetTblrStyle{caption}{halign=l}

\begin{document}
\begin{table}[ht]
\begin{longtblr}[
    caption = {A caption},
    label = {tab:lab},
    ]{
    colspec = {ccc}, 
    width = \linewidth,
    rowhead = 1,
    }
    A Header & B Header & C Header\\
    1 & 3 & 5 \\ 
    7 & 9 & 11 \\ 
    2 & 10 & 16\\ 
\end{longtblr}\end{table}
\end{document}
```
![Screenshot 2023-05-15 071402.png](/image?hash=484d73944e42198a9f7b30b0b4a7f07d9d272ec8e9924d1ff5081402526e34db)
Top Answer
L.J.R. 
Sorry, it is not documented that you need to change the template to `simple` (which is similar to `\captionsetup{singlelinecheck=false}` of `caption` package) first.

Also, you can not put `longtblr` inside `table` or other float environments, so I have changed it to `talltblr` in the following code.
```
\documentclass{article}
\usepackage{geometry}
\usepackage{tabularray}
\SetTblrTemplate{caption}{simple}
\SetTblrStyle{caption}{halign=l}
\begin{document}
\begin{table}[ht]
\begin{talltblr}[
    caption = {A caption},
    label = {tab:lab},
    ]{
    colspec = {ccc}, 
    width = \linewidth,
    hlines
    }
    A Header & B Header & C Header\\
    1 & 3 & 5 \\ 
    7 & 9 & 11 \\ 
    2 & 10 & 16\\ 
\end{talltblr}
\end{table}
\end{document}
```
![image.png](/image?hash=7aaaedb6186fa49e1ea5355cec2d71812a2555124cb74f013a4257b53335d205)
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