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docs(event-gateway): add record.value.schema.metadata expression fields #6556

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docs(event-gateway): add record.value.schema.metadata expression fields #6556

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18 changes: 18 additions & 0 deletions app/event-gateway/expressions.md
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Original file line number Diff line number Diff line change
Expand Up @@ -219,6 +219,24 @@ rows:
* `condition` field in Produce and Consume policies used as children of Schema Validation
example: |
`record.value.schema.json.id == 'https://example.com/schemas/order.json'`
- variable: |
`record.value.schema.metadata.properties` {% new_in 1.3 %}
type: "`map<string, string>`"
description: |
Confluent schema-registry `metadata.properties`. Present as an empty map whenever `record.value.schema` is present, even when the registry omits the properties.
availability: |
* `condition` field in Produce and Consume policies used as children of Schema Validation
example: |
`record.value.schema.metadata.properties['owner'] == 'payments-team'`
- variable: |
`record.value.schema.metadata.tags` {% new_in 1.3 %}
type: "`map<string, list<string>>`"
description: |
Confluent schema-registry `metadata.tags`, keyed by tag. Each value is the list of schema paths (for example `io.confluent.field.<name>`) that carry that tag. Present as an empty map whenever `record.value.schema` is present, even when the registry omits the tags.
availability: |
* `condition` field in Produce and Consume policies used as children of Schema Validation
example: |
`'PII' in record.value.schema.metadata.tags && 'io.confluent.field.ssn' in record.value.schema.metadata.tags['PII']`
- variable: |
`record.key.schema.*` {% new_in 1.2 %}
type: |
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