pub fn activities(mut self, input: crate::model::Activity) -> Self {
            let mut v = self.activities.unwrap_or_default();
            v.push(input);
            self.activities = Some(v);
            self
        }
/// Appends an item to `activities`.
///
/// To override the contents of this collection use [`set_activities`](Self::set_activities).
///
/// <p>The scaling activities. Activities are sorted by start time. Activities still in progress are described first.</p>
Appends an item to `activities`.
To override the contents of this collection use [`set_activities`](Self::set_activities).

The scaling activities. Activities are sorted by start time. Activities still in progress are described first.
Appends an item to ` activities ` . To override the contents of this collection use [ ` set_activities ` ] ( Self :: set_activities ) . The scaling activities . Activities are sorted by start time . Activities still in progress are described first .
pub fn activities(mut self, input: crate::model::Activity) -> Self {
            let mut v = self.activities.unwrap_or_default();
            v.push(input);
            self.activities = Some(v);
            self
        }
pub fn activities ( mut self , input : crate :: model :: Activity ) -> Self { let mut v = self . activities . unwrap_or_default ( ) ; v . push ( input ) ; self . activities = Some ( v ) ; self }
Appends an item to `activities`.
Appends an item to ` activities ` .
mut self
input
crate::model::Activity
mut self
input
crate::model::Activity