Retrieve the campaigns assigned to a user group.

When to use. See which campaigns a group dials. Send the group id in the path.

Parameters. fields (optional): a semicolon-separated list of campaign fields to return, for example id;name. When omitted, the full set of campaign fields is returned.

Returns. { "groupCampaigns": [ ... ] }, one entry per assigned campaign, or an empty array if the group has no campaigns. Returns 404 if no group matches the id.

Example. GET /api/groups/5/campaigns