Updates a room's field data.

This method lets you update one or more fields in a room's field data, the information that appears in the room's **Details** tab. To better understand the room's field data, use the [Rooms: GetRoomFieldSet](/docs/rooms-api/reference/rooms/rooms/getroomfieldset/) method to retrieve the set of fields that the room uses. To get the current values of a room's field data, use [Rooms: GetRoomFieldData](/docs/rooms-api/reference/rooms/rooms/getroomfieldset/). For example, to update the "Tax annua...