Message to Slack when Request created

[
  {
    "type": "source:targetprocess:EntityChanged",
    "entityTypes": [
      "Request"
    ],
    "modifications": {
      "created": true,
      "deleted": false,
      "updated": false
    }
  },
  {
    "url": {
      "type": "constant",
      "value": "https://hooks.slack.com/services/some/slack/endpoing"
    },
    "body": {
      "type": "concat",
      "operands": [
        {
          "type": "constant",
          "value": "{\n    \"text\": \"New request was created in project "
        },
        {
          "args": [
            {
              "name": "Name",
              "type": "field",
              "target": {
                "name": "Project",
                "type": "field",
                "target": {
                  "type": "pipelineBlockOutput"
                }
              }
            }
          ],
          "name": "ToJsonText",
          "type": "call"
        },
        {
          "type": "constant",
          "value": "!\",\n    \"attachments\": [\n        {\n        \t\"callback_id\": \""
        },
        {
          "name": "Name",
          "type": "field",
          "target": {
            "name": "EntityType",
            "type": "field",
            "target": {
              "type": "pipelineBlockOutput"
            }
          }
        },
        {
          "type": "constant",
          "value": "/"
        },
        {
          "name": "Id",
          "type": "field",
          "target": {
            "type": "pipelineBlockOutput"
          }
        },
        {
          "type": "constant",
          "value": "\",\n            \"fallback\": \"Non-interactive\",\n            \"attachment_type\": \"default\",\n            \"text\": \""
        },
        {
          "args": [
            {
              "name": "Name",
              "type": "field",
              "target": {
                "type": "pipelineBlockOutput"
              }
            }
          ],
          "name": "ToJsonText",
          "type": "call"
        },
        {
          "type": "constant",
          "value": "\",\n            \"actions\": [\n                {\n                    \"name\": \"go\",\n                    \"text\": \":mag: See details\",\n                    \"type\": \"button\",\n                    \"url\": \""
        },
        {
          "name": "EntityUri",
          "type": "field",
          "target": {
            "type": "pipelineBlockOutput"
          }
        },
        {
          "type": "constant",
          "value": "\"\n                }\n            ]\n        }\n    ]\n}\n"
        }
      ]
    },
    "type": "action:SendHttpRequest"
  }
]