Is there a way to limit Character count of String type in user macros?

I want to limit Character count of String input type in a user macro i am creating. Is there a way to do this?

thank you in-advance for your time and attention. 

1 answer

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How is the string getting input? Do you mean in the macro options or do you have a text box on the page?

through Macro options

Unfortunately there doesn't seem to be any way to limit the macro options, but you could introduce an error message in the macro itself if the input is too long.

Is there a known code to display an error message? 

You could probably do something like this:

#if ($paraminput.length() > 10)
<div class="aui-message aui-message-error">
<p class="title">
<strong>Error</strong>
</p>
<p>Macro parameter "input" must be 10 characters or less!</p>
</div>
#else
... rest of code ...
#end

This example is taken from AUI, the Atlassian User Interface guidelines:

https://docs.atlassian.com/aui/7.6.2/docs/messages.html

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