OpenCms 6.0 documentation :: Documentation for the 'cms:contentcheck' tag

Name	Description	Required
ifexists	Tests if the the content item does exist. When accessing a content item with multiple values, the single values can accessed directly by adding the index of the value to the content item name: elementname[index]	no
ifexistsone	Tests if one of the comma separated content items does exist. When accessing a content item with multiple values, the single values can accessed directly by adding the index of the value to the content item name: elementname[index]
ifexistsall	Tests if all of the comma separated content items do exist. When accessing a content item with multiple values, the single values can accessed directly by adding the index of the value to the content item name: elementname[index]
ifexistsnone	Tests if none all of the comma seperated content items does exist. When accessing a content item with multiple values, the single values can accessed directly by adding the index of the value to the content item name: elementname[index]

Body:

Any HTML, JSP or JSTL code of your template, this code will be processed if the condition of the contentcheck tag is true

Example usage:

Check if a single content item does exist

<cms:contentcheck ifexists="Title" >
    ...
</cms:contentcheck >

Check if one of the given content items does exist

<cms:contentcheck ifexistsone="Teaser[0],Teaser[2]" >
    ...
</cms:contentcheck >

Check if all content items do exist

<cms:contentcheck ifexistsall="Teaser[0],Teaser[1]" >
    ...
</cms:contentcheck >

Check if none of the given content items does exist

<cms:contentcheck ifexistsnone="Teaser[2],Teaser[3]"  >
    ...
</cms:contentcheck >