optional description for crediting the reward. eg. attended an away game vs Atlanta Braves on April 30th
custom_datastring
String data to send with the reward item credit. Typically contains a string JSON payload to be decoded by the client SDK
reasonstring
Optional reason for crediting the reward. eg. attend a game
leaderboard_idsstring[]
List of leaderboard UUIDs to update; if provided, only those leaderboards are updated; if empty ([]), no linked leaderboards are updated; if omitted, all linked leaderboards are updated.