Symphony Search messages

Search messages according to the specified criteria. The "query" parameter takes a search query defined as "field:value" pairs combined by the operator "AND" (e.g. "text:foo AND autor:bar"). Supported fields are (case-insensitive): "text", "author", "hashtag", "cashtag", "mention", "signal", "fromDate", "toDate", "streamId", "streamType". "text" search requires a "streamId" to be specified. "streamType" accepts one of the following values: "chat" (IMs and MIMs), "im", "mim", "chatroom", "...