[GitHub] [pulsar] nlu90 commented on issue #6348: [Issue 6170][functions] add custom property option to functions

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nlu90 commented on issue #6348: [Issue 6170][functions] add custom property option to functions
URL: https://github.com/apache/pulsar/pull/6348#issuecomment-603466215
 
 
   @KannarFr Sorry for the late reply, I was busy with some other projects.
   
   After a discussion with @sijie , now the changes enable you put the env variable in `userConfig` and get the actual value via `context.getUserConfigValue`
   
   an example yaml would be:
   ```yaml
   jar: ./pulsar-functions/java-examples/target/pulsar-functions-api-examples.jar
   className: org.apache.pulsar.functions.api.examples.ExclamationFunction
   tenant: public
   namespace: default
   name: exclamation
   inputs:
     - persistent://public/default/my-topic
   output: persistent://public/default/exclamation
   userConfig:
     "prop1": "$MY_PROP"
   ```
   
   and you can access the actual value for `prop1` in your function code like this:
   `context.getUserConfigValue("prop1")`

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