Eugeny created NIFI-4886:
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Summary: Slack processor - allow expression language in Webhook
Url property
Key: NIFI-4886
URL: https://issues.apache.org/jira/browse/NIFI-4886
Project: Apache NiFi
Issue Type: Improvement
Components: Extensions
Reporter: Eugeny
Webhook URL in PutSlack processor does not allow expression language.
This makes it somewhat problematic to use, especially in the face of multiple
Nifi environments (staging/production), not to say it is quite tedious to
change.
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