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I recently came across a custom financial force component

<ffirule:IntegrationRule engine="{!engine}"/>

which is very similar to custom visualforce components but don't they usually start with

<c:customComponentName/>

Are these custom components ? How are they created ? Can someone explain me the usage ?

Thanks in Advance !

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1 Answer 1

up vote 9 down vote accepted

These are package components with a namespace prefix. When you enable a developer/isv org to create packages you should pick a namespace. This namespace will be specific to all your custom components (but also custom fields etc) and they will be known as such in any org that deploys your package.

package

You still define and build components the way you're used to: component

In a visualforce pages you can no longer use the c: notaction but have to use your namespace prefix: visualforce page

So, these components work just the same way as the ones you're building yourself, but they are designed to also work in other orgs where they should have a separated name from anything else already there.

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