Update 'Blight-API.md'

Added extra step

Blight-API.md

@@ -33,6 +33,8 @@ It is also possible to create a new advice at any time, see [Create blight advic
 A blight advice is a child record of a crop field. 
 Use the crop field code to get the latest blight advice.
 
+#### 1. get the blight item code
+
 > Request
 ```javascript
 GET /api/v1/items/{code}/children?it=vnd.farmmaps.itemtype.blight
@@ -43,46 +45,46 @@ GET /api/v1/items/{code}/children?it=vnd.farmmaps.itemtype.blight
     {
         "parentCode": "string",
         "geometry": ...
-        "data": {
-            "advices": [
-                {
-                    "date": "2021-03-19T00:00:00",
-                    "weather": [
-                        {
-                            "hh": 0,
-                            "rain": 0.0,
-                            "humidity": 90.0,
-                            "irrigation": 0.0,
-                            "temperature": 2.0,
-                            "precipitation": 0.0
-                        },
-                        {
-                            "hh": 1,
-                            "rain": 0.0,
-                            "humidity": 91.0,
-                            "irrigation": 0.0,
-                            "temperature": 1.0,
-                            "precipitation": 0.0
-                        },...],
-					"sprayTime": null,
-					"sprayType": 3,
-					"ooSporesRisk": false,
-					"fungicideLeftPct": 0,
-					"sprayEffectivity": null,
-					"unprotectedGrowth": 0.0,
-					"tuberInfectionRisk": false,
-					"infectionRiskPerHour": [
-						0,...]
+        "url": ...
+		"code": ...
+		"data": ...
+		"size": ...
 		...
 	}
 ```
-
-The data object contains the advices from emergence date and weather from planting date.
-The date property respresents the advice date, the weather array contains 24 objects, 1 for each hour. 
 > Response 404 Not Found
-
+ 
 There is no advice available, try to create a new advice, see [Create blight advice](#create-advice).
 
+Check the data field for itemtask/state. If state is "ok" there should be an advice. 
+
+
+#### 2. get advice for the blight item 
+Use the code found in the previous call (or use url) to get the advice.
+> Request
+```javascript
+GET /api/v1/items/{code}/data
+```
+> Response 200 OK
+```javascript
+[
+    {
+        "sprayTime": null,
+        "date": "2022-03-01T00:00:00",
+        "weather": [
+            {
+                "temperature": 3.0,
+                "precipitation": 0.0,
+                "rain": 0.0,
+                "irrigation": 0.0,
+                "humidity": 71.0,
+                "hh": 0,
+                "leafwetnessmm": null
+      },...
+	}
+```
+> Response 404 Not Found
+
 
 ### <a name="create-advice"></a>Create blight advice
 Task 'vnd.farmmaps.task.blight' must be executed to create an advice. 
@@ -144,7 +146,7 @@ GET api/v1/items/{code}/children?it=vnd.farmmaps.itemtype.user.input
 }
 ```
 
-Get the first objecy of the array, change the data, and push the object back.  
+Get the first object of the array, change the data, and push the object back.  
 Use the code from the response above.
 
 ```javascript