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How to find the parent and grandparent of an object
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This example can be modified to be used in a number of templates, e.g. in the shopping basket (where I first made this). Some elements like the $current variable may be reduntdant (and can be replaced by simple $node) other places.
{let current=fetch('content','node',hash('node_id',$node.node_id))
parent=fetch('content','node',hash('node_id',$:current.object.main_parent_node_id))
grandparent=fetch('content','node',hash('node_id',$:parent.object.main_parent_node_id))}
Grandparent: {$:grandparent.name}
Parent: {$:parent.name}
Current: {$:current.name}
{/let}
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