Retrieves a service.
Use the conditionalFields request parameter to receive additional data in the response.
These fields are excluded from the response by default because retrieving them requires
additional calls to other services.
Supported values:
STAFF_MEMBER_DETAILS: Returns service.staffMemberDetails.RESOURCE_TYPE_DETAILS: Returns the name of each service resource's resource type. See service.serviceResources.resourceType.name.DISCOUNT_INFO_DETAILS: Returns service.payment.discountInfo.RESOURCE_DETAILS: Returns the name of each individual resource assigned to a service resource. See service.serviceResources.resourceDetails.This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.