pub async fn add_attribute(
configuration: &Configuration,
event_id: &str,
attribute_no_id: AttributeNoId,
) -> Result<AddAttribute200Response, Error<AddAttributeError>>pub async fn add_attribute(
configuration: &Configuration,
event_id: &str,
attribute_no_id: AttributeNoId,
) -> Result<AddAttribute200Response, Error<AddAttributeError>>