curl --request POST \
  --url https://{tenant}.chronosphere.io/api/v1/config/derived-labels \
  --header 'API-Token: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "derived_label": {
    "label_name": "<string>",
    "name": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "description": "<string>",
    "existing_label_policy": "KEEP",
    "metric_label": {
      "constructed_label": {
        "value_definitions": [
          {
            "filters": [
              {
                "name": "job",
                "value_glob": "myservice*"
              }
            ],
            "value": "<string>"
          }
        ]
      },
      "mapping_label": {
        "name_mappings": [
          {
            "filters": [
              {
                "name": "job",
                "value_glob": "myservice*"
              }
            ],
            "source_label": "<string>",
            "value_mappings": [
              {
                "source_value_globs": [
                  "<string>"
                ],
                "target_value": "<string>"
              }
            ]
          }
        ],
        "value_mappings": [
          {
            "source_value_globs": [
              "<string>"
            ],
            "target_value": "<string>"
          }
        ]
      }
    },
    "slug": "<string>",
    "span_tag": {
      "name_mappings": [
        {
          "source_tag": "<string>"
        }
      ]
    },
    "updated_at": "2023-11-07T05:31:56Z"
  }
}