Hi,
Can someone provide a step-ny-step process of how to create a custom tag and expand on their advantages and limitations? A link to an example is a great plus.
What do you mean by a “custom tag”? Do you mean a custom XML element for XML Screens/Forms?
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Yes. Suppose i have a UI construct That i use a lot. Or another example, i want a dropdown that acts like a hidden form and applies a transition on entry selection. Suppose i want to add a “depends-on” child for a drop-down.
how do i approach This kind of problem. Am I even asking for a custom tag that makes sense when thinking about moqui screens?
Finally, and this may be loosely linked, is it a good idea to use this kind of UI tag to link client and server UI together So that they can interact?
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@Mohammad_Al_Hajj If I understand what you’re talking about, I believe that you are talking about the XML elements to create moqui screens.
If so, they are mostly if not all defined in this directory: https://github.com/moqui/moqui-runtime/tree/master/template/screen-macro
For example a common XML Element is a link. You can find the definition of a link for different render modes in the corresponding DefaultScreenMacros.render-mode.ftl. For example here’s a list of html, vuet, and qvt:
Hope this helps 
Yes, custom XML elements and such are fairly easy to add… for a doc reference see:
https://moqui.org/m/docs/framework/User+Interface/XML+Screen#macro-templates-and-custom-elements
The main thing you need to do is use a different FTL macros file that includes the OOTB ones and the custom ones you add. The OOTB example of this uses this template file:
This example uses the Moqui Conf XML option to specify a template, the other option is to specify the macro files in a XML Screen def. In this case it is referenced in the MoquiDevConf.xml file:
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