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DataMessagePayload interface
Interface representing an FCM legacy API data message payload. Data messages let developers send up to 4KB of custom key-value pairs. The keys and values must both be strings. Keys can be any custom string, except for the following reserved strings:
from- Anything starting with
google.
See Build send requests for code samples and detailed documentation.
Signature:
export interface DataMessagePayload
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Last updated 2022-07-29 UTC.
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