updated README

catalogue-binding-plugin/README.md

@@ -24,29 +24,36 @@ The "Catalogue Binding Plugin" requires a handler registered in the UCD so defin
   "_configuration": {
     "subscribeEvents": [
       {
-        "event": "{EVENT_NAME_1}"
+        "event": "{EVENT_1}",
+        "when": [
+          {
+            "target_phase": [
+              "{TARGET_PHASE}"
+            ],
+            "last_invoked_step": "{LAST_INVOKED_STEP}"
+          }
+        ]
       },
       {
-        "event": "{EVENT_NAME_2}"
+        "event": "{EVENT_2}"
       }
     ],
-    "freemarker_template_host": {FREEMARKER_TEMPLATE_HOST}
-    "freemarker_template_path": {PATH_TO_FREEMARKER_TEMPLATE_NAME.ftl},
+    "freemarker_template_host": "{FREEMARKER_TEMPLATE_HOST}",
+    "freemarker_template_path": "{PATH_TO_FREEMARKER_TEMPLATE_NAME.ftl}"
   }
 }
 ```
 
-where the supported events are:
+where:
+
+* `{EVENT_X}` (mandatory) - can be ```PROJECT_CREATED, PROJECT_UPDATED, PROJECT_DELETED, LIFECYCLE_STEP_PERFORMED```
+* `{TARGET_PHASE}` (optional) - can be: `DRAFT`, `Pending Approval`, `Published`, `Any`;
+* `{LAST_INVOKED_STEP}` (optional) can be: `SUBMIT-FOR-REVIEW​`, `APPROVE-SUBMITTED`, `REJECT-DRAFT​`, `UNPUBLISH`;
 
-```
-	"PROJECT_CREATED"
-	"PROJECT_UPDATED"
-	"PROJECT_DELETED"
-	"LIFECYCLE_STEP_PERFORMED"
-```
-	
 and `{FREEMARKER_TEMPLATE_HOST}` is the host  where the FREEMARKER_TEMPLATE.ftl is located  and the `{FREEMARKER_TEMPLATE_NAME.ftl}` is the (complete) path to the FREEMARKER_TEMPLATE.ftl file. 
-The template pointed by `{FREEMARKER_TEMPLATE_HOST}/{PATH_TO_FREEMARKER_TEMPLATE_NAME.ftl}` is applied to transform a Geoportal project to Catalogue Item object.
+The template pointed by `{FREEMARKER_TEMPLATE_HOST}/{PATH_TO_FREEMARKER_TEMPLATE_NAME.ftl}` URL is applied to transform a Geoportal project to Catalogue Item object.
+
+NB. The configuration must contain the `{TARGET_PHASE}` and `{LAST_INVOKED_STEP}` when the `{EVENT_X}` is equal to `LIFECYCLE_STEP_PERFORMED`
 
 ## Change log
 See [CHANGELOG.md](CHANGELOG.md).