Push Message Payload Mapping

The push server provides a convenient wrapper on top of the push messages sent to various platforms (APNS, FCM). This chapter describes what fields of the abstract push message are mapped to particular fields of APNS or FCM payload.

Abstract Push Message Object

Abstract push message payload is represented using this object:

public class PushMessageBody {

    private String title;
    private String body;
    private Integer badge;
    private String sound;
    private String icon;
    private String category;
    private String collapseKey;
    private Date validUntil;
    private Map<String, Object> extras;

}

APNS Mapping

Attributes of the abstract push message object are mapped to APNS payload in following way:

Abstract Message Attributes APNS Mapped Attributes
title aps.alert.title
body aps.alert.body
badge aps.badge
category aps.category
sound aps.sound
icon ignored
extras [key:value] custom data
collapseKey aps.thread-id
validUntil Message expiration time on APNS servers (technical attribute), mapped to apns-expiration HTTP header.

For the documentation of the APNS payload reference, please read the official Apple documentation:

Silent Messages

In case a push message is marked with the silent flag, we add content-available = 1 key to the aps payload.

FCM Mapping

Attributes of the abstract push message object are mapped to FCM payload in following way:

Abstract Message Attribute FCM Mapped Attributes
title notification.title
body notification.body
badge ignored
category notification.tag
sound notification.sound
icon notification.icon
collapseKey collapse_key
validUntil ignored
extras data

For the documentation of the FCM payload reference, please read the official Google documentation:

Silent Messages

In case a push message is marked with the silent flag, we do not add attributes that trigger visible push notifications (attributes with notification.* path), even if they are present in the abstract push message object.

Last updated on Jan 22, 2019 (16:26) Edit on Github Send Feedback
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