wolfstudy commented on issue #4093: [issue#4042] improve java functions API URL: https://github.com/apache/pulsar/pull/4093#issuecomment-485070352 > The usage would something like this: > > ``` > MessageConf messageConf = MessageConf.Builder().key("key").properties(myProperties).build() > > context.publish("output", "my-topic", messageConf) > > # or for output message > > context.setOutputMessageConf(messageConf) > ``` My think is that we provide the user with a method, es: `newOutputMessage()` that allows the user to get the `TypedMessageBuilder`, so that the user can set the configuration they want and then `sendAsync()` it out. The usage would something like this: ``` TypedMessageBuilder messageBuilder = newOutputMessage("output",Schema.JSON()); messageBuilder.value("my-topic").key("key").properties("myproperties").sendAsync(); ``` Do you think this way can solve the problems we have encountered?
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