setCollapseKey method
- String? collapseKey
Sets the android.collapse_key
field.
collapseKey
A string to be used for theandroid.collapse_key
field value, or null to clear it.
Returns this MpnBuilder object, for fluent use.
Implementation
FirebaseMpnBuilder setCollapseKey(String? collapseKey) {
_collapseKey = collapseKey;
return this;
}