create_skillset.json

{
    "description": "Summarize documents.",
    "skills": [
        {
          "@odata.type": "#Microsoft.Skills.Text.EntityRecognitionSkill",
          "categories": [ "Organization", "Location", "Person", "Url" ],
          "defaultLanguageCode": "en",
          "inputs": [
            {
              "name": "text", "source": "/document/content"
            }
          ],
          "outputs": [
            {
              "name": "organizations", "targetName": "organizations"
            },
            {
              "name": "persons", "targetName": "persons"
            },
            {
              "name": "locations", "targetName": "locations"
            },
            {
              "name": "urls", "targetName": "urls"
            }
          ]
        },
        {
            "@odata.type": "#Microsoft.Skills.Custom.WebApiSkill",
            "description": "A custom skill that summarizes the text",
            "uri": "https://YOUR_WEB_APP/api/extraction",
            "timeout": "PT160S",
            "batchSize": 1,
            "context": "/document/content",
            "httpHeaders": {
                "Ocp-Apim-Subscription-Key": ""
            },
            "httpMethod": "POST",
            "inputs": [
            {
                "name": "text",
                    "source": "/document/content"
                }
            ],
            "outputs": [
                {
                    "name": "summary"
                }
            ]
        }
    ],
    "cognitiveServices": {
        "@odata.type": "#Microsoft.Azure.Search.CognitiveServicesByKey",
        "description": "cogsvc",
        "key": ""
    }
}