pub fn messages(mut self, input: crate::model::MessageData) -> Self {
            let mut v = self.messages.unwrap_or_default();
            v.push(input);
            self.messages = Some(v);
            self
        }
/// Appends an item to `messages`.
///
/// To override the contents of this collection use [`set_messages`](Self::set_messages).
///
/// <p>Contains a message about this <code>GetMetricData</code> operation, if the operation results in such a message. An example of a message that might be returned is <code>Maximum number of allowed metrics exceeded</code>. If there is a message, as much of the operation as possible is still executed.</p>
/// <p>A message appears here only if it is related to the global <code>GetMetricData</code> operation. Any message about a specific metric returned by the operation appears in the <code>MetricDataResult</code> object returned for that metric.</p>
Appends an item to `messages`.
To override the contents of this collection use [`set_messages`](Self::set_messages).

Contains a message about this GetMetricData operation, if the operation results in such a message. An example of a message that might be returned is Maximum number of allowed metrics exceeded. If there is a message, as much of the operation as possible is still executed.
A message appears here only if it is related to the global GetMetricData operation. Any message about a specific metric returned by the operation appears in the MetricDataResult object returned for that metric.
Appends an item to ` messages ` . To override the contents of this collection use [ ` set_messages ` ] ( Self :: set_messages ) . Contains a message about this GetMetricData operation if the operation results in such a message . An example of a message that might be returned is Maximum number of allowed metrics exceeded . If there is a message as much of the operation as possible is still executed . A message appears here only if it is related to the global GetMetricData operation . Any message about a specific metric returned by the operation appears in the MetricDataResult object returned for that metric .
pub fn messages(mut self, input: crate::model::MessageData) -> Self {
            let mut v = self.messages.unwrap_or_default();
            v.push(input);
            self.messages = Some(v);
            self
        }
pub fn messages ( mut self , input : crate :: model :: MessageData ) -> Self { let mut v = self . messages . unwrap_or_default ( ) ; v . push ( input ) ; self . messages = Some ( v ) ; self }
Appends an item to `messages`.
Appends an item to ` messages ` .
mut self
input
crate::model::MessageData
mut self
input
crate::model::MessageData