Optional
headersOptional headers of the room reaction.
The headers are a flat key-value map and are sent as part of the realtime
message's extras
inside the headers
property. They can serve similar
purposes as the metadata but they are read by Ably and can be used for
features such as
subscription filters.
Do not use the headers for authoritative information. There is no server-side validation. When reading the headers treat them like user input.
Optional
metadataOptional metadata of the reaction.
The metadata is a map of extra information that can be attached to the room reaction. It is not used by Ably and is sent as part of the realtime message payload. Example use cases are custom animations or other effects.
Do not use metadata for authoritative information. There is no server-side validation. When reading the metadata treat it like user input.
The type of the reaction, for example an emoji or a short string such as "like".
It is the only mandatory parameter to send a room-level reaction.
Params for sending a room-level reactions. Only
type
is mandatory.