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Definitions

The providerId argument, including the default value “default”, must correspond to an equivalent property in events.providers.kafka entry of the router config.yml.
Kafka topic arguments support argument templates such as employeeUpdated.{{ args.employeeID }}. If you use templates, create the rendered Kafka topics in your broker ahead of time because the Router does not create topics automatically.

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@edfs_kafkaPublish

directive @edfs__kafkaPublish(
  topic: String!,
  providerId: String! = "default"
) on FIELD_DEFINITION

type edfs__PublishResult {
    success: Boolean!
}
Argument nameTypeValue
topicString!The event topic. Argument templates are supported.
providerIdString!The provider ID, which identifies the connection in the router config.yaml.
If unsupplied, the provider ID “default” will be used.

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@edfs__kafkaSubscribe

directive @edfs__kafkaSubscribe(
  topics: [String!]!,
  providerId: String! = "default"
) on FIELD_DEFINITION
Argument nameTypeValue
topics[String!]!The event topics (it is possible to subscribe to multiple topics). Argument templates are supported.
providerIdString!The provider ID, which identifies the connection in the router config.yaml.
If unsupplied, the provider ID “default” will be used.

Kafka