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I would like to expand the standard component for creating a new article (com_content) in Joomla with an additional field. I did an template override and added the field in the UI. But I do not know how I can add the value to the database. Which file do I have to change? Is this possible with an template override?

JavaForAndroid
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  • The easiest thing is to make one of the existing field declarations into a `fields` declaration (in the XML) and then enclose both fields in that. THis waill automatically save both fields in the single database field using JSON. – Elin May 12 '15 at 23:51

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You should create a content plugin and catch onContentPrepareForm() event.

There is a step by step tutorial for that: Adding custom fields to the article component.

A more general tutorial for adding fields to core components could be found at: Adding custom fields to core components using a plugin.

emmanuel
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