@skerbis not sure what you mean? Can you describe this in more details?

Hi,sure:

i embed the dashboard to our system by using the code like this:

        <iframe src="https://domain.tld/piwik/index.php?module=Widgetize&action=iframe&moduleToWidgetize=Dashboard&actionToWidgetize=index&idSite=7&period=week&date=yesterday&token_auth=00000000000000
" frameborder="0" marginheight="0" marginwidth="0" width="100%" style="height: 100vh"></iframe>

Is there a Way (a JS-Code) to auto resize the embedded iframe so that it fits to the body of it?
I would like avoid scrollbars.

Perhaps something like: https://github.com/davidjbradshaw/iframe-resizer

Is a solution perhaps included in Matomo?
It's for a CMS AddOn so I cannot say the users to manipulate matomo for it.

We have the iframe-resizer embedded in Matomo and AFIAK load it on every request. You could try if it just works

do you have an example code

iFrameResize({ log: true }, '#matomoframe')

does not work.
I've installed the frame-resizer and gave the iframe the id #matomoframe

Sorry I don't really have the time to investigate much here right now. I can see though that iFrameResize is being loaded in the widgetized iframe if you use the latest Matomo version.
Do you get any error? Is it on the same domain or so?

I will investigate it tomorrow. Thx

I get the following Error:

[iFrameSizer][Host page: matomoframe] – "IFrame has not responded within 5 seconds. Check iFrameResizer.contentWindow.js has been loaded in iFrame. This message can be ignored I…"

Matomo-Version: 3.11.0

Just tested it. I didn't get an error but noticed it isn't working because the widget that you embed would also need to load https://raw.githubusercontent.com/davidjbradshaw/iframe-resizer/master/js/iframeResizer.contentWindow.min.js

Then it works... Did you maybe want to create a PR? We could place the file in this directory where we already have the other iframeResize file: https://github.com/matomo-org/matomo/tree/3.x-dev/plugins/CoreHome/javascripts

and we would load the file here: https://github.com/matomo-org/matomo/blob/3.12.0-b1/plugins/CoreHome/CoreHome.php#L305

Thanks ... PR will come :-)

Thanks Thomas @tsteur ;-)