Reserved Words

MQL also has a list of reserved words. These words need to be surrounded by double quote character(") if you wish to use them in filter values.
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‎"After", "all". "and", "any", "before", "between", "category", "contains", "content", "count", "day", "days", "ends", "exists", "ExpandedMembersOfRole", "hour", "hours", "last", "me", "membersOfRole", "minute", "minutes", "not", "or", "relevance", "semantic_search_text", "starts", "text", "today", "where", "with", "within", "yesterday".
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‎The semantic_search_text filter has its own set of reserved words, such as term(s), report(s), and file(s). Refer to Meta Integration Search Help for more information.
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‎To include a single-quote character within a filter value, write two adjacent single quotes.