Creates a new coupon for a plan groupAsk AIpost https://sandbox.billwerk.com/api/v1/plangroups/{planGroupId}/couponsPath ParamsplanGroupIdstringrequiredPlanGroup IdBody ParamsCoupon DTOInternalNamestring | nullDescriptionobject | nullLocalized descriptionsDescription object | nullDiscountIdstring | nullValidFromdate-time | nullDate from where on the coupon is validValidUntildate-time | nullDate until the coupon is validEnabledbooleanDetermines if the coupon is enabled and can be usedtruefalseCodesarray of strings | nullContains codes which can be used for this couponCodesADD stringIsSingleUsebooleanDetermines if the coupon is single use onlytruefalseResponses 201Created 401Unauthorized 404Not Found 422Unprocessable EntityUpdated 3 months ago