Text content of the item at the root of the activity chain.
For engagements and clicks on shares, the content of the share.
For engagements and clicks on articles, this target is not populated.
Filter to likes on shares where the share's content includes one or more keywords:
li.subtype == "activity|like" AND ||.||.content contains_any "BMW, Alfa Romeo, Honda"
Tokenized for query filters: Yes
Analysis target: No
Query filter: Yes
Child analysis target: No