type: string name: description: Name of the environment variable from which to extract the tag value. minLength: 1 type: string required: - name type: object header: description: RequestHeader adds the value of an header from the request to each span. properties: defaultValue: description: Optional. type: string name: description: Name of the header from which to extract the tag value. minLength: 1 type: string required: - name type: object literal: description: Literal adds the same, hard-coded...