| toc |
| <mm:isempty>
Checks if parent writer is empty.
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| see also | isnotempty |
| attributes |
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| condition attributes |
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| writerreferrer attributes |
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example 1 |
<mm:field name="title">
<mm:isempty>
No title!
</mm:isempty>
<mm:isnotempty>
<mm:write />
</mm:isnotempty>
</mm:field>
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|
example 2 |
<mm:field name="title" write="true">
<mm:isempty>
No title!
</mm:isempty>
</mm:field>
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example 3 |
<mm:field name="subtitle" write="true">
<mm:isempty>
<mm:field name="title" />
</mm:isempty>
</mm:field>
| java.lang.IllegalStateException: Cannot get the field 'subtitle' from node with is null
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