You are looking at documentation for a beta release.
Kubernetes fieldsedit
This functionality is in beta and is subject to change. The design and code is less mature than official GA features and is being provided as-is with no warranties. Beta features are not subject to the support SLA of official GA features.
Kubernetes metadata added by the kubernetes processor
kubernetes.pod.nameedit
type: keyword
Kubernetes pod name
kubernetes.namespaceedit
type: keyword
Kubernetes namespace
kubernetes.labelsedit
type: object
Kubernetes labels map
kubernetes.annotationsedit
type: object
Kubernetes annotations map
kubernetes.container.nameedit
type: keyword
Kubernetes container name
kubernetes.container.imageedit
type: keyword
Kubernetes container image