Here is the description of response attributes, which returns to the form of JSON.

Attribute	Description
area	Returns the area of the challenge. It will return an area like Expo, Sessions, Networking and Event.
action	Returns the action of the challenge. If select Expo area to pass an action like Visit, Chat, Watch, Link Click, Document Download, Request Meeting or All. If select Sessions area to pass an action like Watch, Visit or All. If select Networking area to pass an action like Matches, Connections or All.
trigger	Returns the trigger of the challenge. If select Expo area to pass this type of action like exhibitor and category or All. If select Sessions area to pass this type of action like main_stage, breakout_session, workshop or All. If select Networking area to pass this type of action like Networking or All.
eventChallengeId	Returns the event challenge ID.
name	Returns the challenge name. Only 255 characters are allowed.
startDate	Returns the challenge start date in yyyy/MM/dd HH:mm format.
endDate	Returns the challenge end date in yyyy/MM/dd HH:mm format.
goal	Returns the goal (in point format) of the challenge.
ticketTypeAllowInChallenge	Returns the ticket types allowed to participate in the challenge. It will return a list of ticket type IDs.
gamificationTabDisabled	Returns if the gamification tab is enabled or disabled in virtual event hub.
startDateUtc	Returns the start date UTC format.
endDateUtc	Returns the end date UTC format.
subArea	Returns the sub-area of challenges.
type	Returns the challenge type. It will return either STANDARD, EARLY_BIRD, SCAVENGER_HUNT.
filter	Returns the challenge of the filter.
maxPoints	Returns the maximum point configuration.

Here is the possible error messages, which return if any condition gets failed or required data is missing for processing.

Error code	Error Description
400	The request could not be understood by the server due to malformed syntax.
401	You are not authorized to view the resource.
403	Accessing the resource you were trying to reach is forbidden.
404	The resource you were trying to reach is not found.