foundeo#1521 adding IsInThread Lucee documentation

data/en/isinthread.json

@@ -0,0 +1,23 @@
+{
+    "name": "isinthread",
+    "type": "function",
+    "syntax": "isinthread()",
+    "returns": "boolean",
+    "description": "Determines whether the executing code is inside a cfthread or not.",
+    "params": [],
+    "engines": {
+        "lucee": {
+            "notes": "",
+            "minimum_version": "5.0.0.0",
+            "docs": "https://docs.lucee.org/reference/functions/isinthread.html"
+        }
+    },
+    "examples": [
+        {
+            "title": "isinthread Example",
+            "description": "Check if the code is running inside a cfthread.",
+            "code": "request.inthread = false;\nwriteOutput(isInThread());\nthread action=\"run\" name=\"inThread\" {\n request.inthread = isInThread();\n}\nsleep(1000);\nwriteOutput(request.inthread)",
+            "result": "falsetrue"
+        }
+    ]
+}