Custom attributes not appearing in logs

Problem

Logs are not appearing in New Relic for a CloudWatch via Firehose integration setup.

Solution

Possible reasons and their solutions:

• For S3 via Lambda or CloudWatch via Lambda integrations, the CUSTOM_META_DATA environment variable may not be set, or it may not have a valid JSON value. Verify it.
• For CloudWatch via Firehose, the key-value pairs may not be set correctly. Ensure your key-value pairs are present under Parameters.
• Your key names may overlap with forbidden keywords.