Android allows you to assign a priority level to each notification to influence how the Android system will deliver it.

Prioritize with the utmost consideration for the user's time and attention. When an unimportant notification is disguised as urgent, it tricks users into unnecessary anxiety.
To give users relief from overly interruptive notifications, users can quickly silence or block an app's notifications directly on the notification itself.

To prioritize the notification, add the following payload field :

Payload field key: priority
Type: string
Value: by default it'll be set to normal/default.
set to high for critical and urgent notifications that alert the user to a condition that is time-critical or needs to be resolved before they can continue with a time-critical task.

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