has_relation_meta
Synopsis
@has_relation_meta(MetadataKey) -> Boolean
Description
Checks if the object's relation metadata contains a specified key.
info
Available in Contextal Platform 1.0 and later.
Parameters
Name of the relation metadata key.
Return value
Boolean: true
if the object's relation metadata contains a given key, false
otherwise.
Examples
@has_relation_meta($compressed_size)
- This matches all objects, which have a relation metadata key named
compressed_size
(which also means they are compressed)