# Class MetadataKeyValueExpression (3.38.0)

3.38.0 (latest) 3.37.0 3.35.0 3.34.0 3.33.0 3.32.0 3.31.0 3.30.0 3.29.0 3.28.0 3.27.0 3.26.0 3.25.1 3.24.0 3.23.0 3.22.0 3.20.0 3.19.0 3.18.1 3.17.0 3.16.0 3.15.3 3.14.0 3.13.0 3.12.3 3.11.1 3.10.1 3.9.2 3.8.1 3.7.1 3.6.2 3.5.0 3.4.0 3.3.1 3.2.4 3.1.1 3.0.1 2.0.2 1.0.2 0.15.2 0.14.0 0.13.0 0.12.1

    MetadataKeyValueExpression(mapping=None, *, ignore_unknown_fields=False, **kwargs)

Configuration for a custom infoType that detects key-value
pairs in the metadata matching the specified regular
expressions.

| ## Attributes ||
|---|---|
| **Name** | **Description** |
| `key_regex` | `str` The regular expression for the key. Key should be non-empty. |
| `value_regex` | `str` The regular expression for the value. Value should be non-empty. |