diff --git a/tDataTypeTemplates/insertSelecetdLNodeType.spec.ts b/tDataTypeTemplates/insertSelecetdLNodeType.spec.ts
index f942f10..ba78b7a 100644
--- a/tDataTypeTemplates/insertSelecetdLNodeType.spec.ts
+++ b/tDataTypeTemplates/insertSelecetdLNodeType.spec.ts
@@ -6,7 +6,9 @@ import {
   atccSelection,
   invalidSelection,
   ltrkSelection,
+  mhaiSelection,
   mmxuSelection,
+  ptocSelection,
 } from "./insertSelectedLNodeType.testdata.js";
 
 import {
@@ -189,4 +191,28 @@ describe("insertLNodeTypeSelection", () => {
     const lNodeType = edits[0].node as Element;
     expect(lNodeType.tagName).to.equal("DataTypeTemplates");
   });
+
+  it("add count attribute to data attribute in case is an array", () => {
+    const data = nsdToJson("PTOC") as LNodeDescription;
+    const edits = insertSelectedLNodeType(
+      missingDataTypes,
+      ptocSelection,
+      { class: "PTOC", data },
+    );
+
+    const doTypeEdit = edits[5].node as Element;
+    expect(doTypeEdit.querySelector('DA[name="crvPts"]')?.getAttribute('count')).to.equal("maxPts");
+  });
+
+  it("add count attribute to sub data object in case is an array", () => {
+    const data = nsdToJson("MHAI") as LNodeDescription;
+    const edits = insertSelectedLNodeType(
+      missingDataTypes,
+      mhaiSelection,
+      { class: "MHAI", data },
+    );
+
+    const doTypeEdit = edits[4].node as Element;
+    expect(doTypeEdit.querySelector('SDO[name="phsAHar"]')?.getAttribute('count')).to.equal("maxPts");
+  });
 });
diff --git a/tDataTypeTemplates/insertSelectedLNodeType.testdata.ts b/tDataTypeTemplates/insertSelectedLNodeType.testdata.ts
index 10fd90f..6e56b3f 100644
--- a/tDataTypeTemplates/insertSelectedLNodeType.testdata.ts
+++ b/tDataTypeTemplates/insertSelectedLNodeType.testdata.ts
@@ -428,3 +428,88 @@ export const invalidSelection = {
     "ldNs": {}
   }
 };
+
+export const ptocSelection = {
+  "Beh": {
+    "q": {},
+    "stVal": {
+      "blocked": {},
+      "off": {},
+      "on": {},
+      "test": {},
+      "test/blocked": {}
+    },
+    "t": {}
+  },
+  "Op": {
+    "general": {},
+    "q": {},
+    "t": {}
+  },
+  "Str": {
+    "dirGeneral": {
+      "backward": {},
+      "both": {},
+      "forward": {},
+      "unknown": {}
+    },
+    "general": {},
+    "q": {},
+    "t": {}
+  },
+  "TmAChr": {
+    "crvPts": {
+      "xVal": {},
+      "yVal": {}
+    },
+    "maxPts": {},
+    "numPts": {},
+    "xD": {},
+    "yD": {},
+    "yUnits": {
+      "SIUnit": {
+        "°C": {},
+        "1/s": {}
+      }
+    },
+    "xUnits": {
+      "SIUnit": {
+        "°C": {},
+        "1/s": {}
+      }
+    }
+  }
+}
+
+export const mhaiSelection = {
+  "Beh": {
+    "q": {},
+    "stVal": {
+      "blocked": {},
+      "off": {},
+      "on": {},
+      "test": {},
+      "test/blocked": {}
+    },
+    "t": {}
+  },
+  "HA": {
+    "evalTm": {},
+    "frequency": {},
+    "maxPts": {},
+    "numCyc": {},
+    "numHar": {},
+    "phsAHar": {
+      "cVal": {
+        "mag": {
+          "f": {}
+        },
+        "ang": {
+          "f": {}
+        }
+      },
+      "q": {},
+      "t": {}
+    }
+  }
+}
diff --git a/tDataTypeTemplates/insertSelectedLNodeType.ts b/tDataTypeTemplates/insertSelectedLNodeType.ts
index de2b39a..0d47fe4 100644
--- a/tDataTypeTemplates/insertSelectedLNodeType.ts
+++ b/tDataTypeTemplates/insertSelectedLNodeType.ts
@@ -152,6 +152,7 @@ function hashElement(element: Element): string {
   return cyrb64(JSON.stringify(describeElement(element)));
 }
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 function data(lnData: any, path: string[]): any {
   let d = lnData;
   for (const slug of path.slice(0, -1)) d = d[slug].children;
@@ -329,6 +330,8 @@ export function insertSelectedLNodeType(
         qchg?: string;
         typeKind?: "BASIC" | "ENUMERATED" | "CONSTRUCTED" | "undefined";
         type?: string;
+        isArray?: string;
+        sizeAttribute?: string;
       },
     ][] = Object.entries(dO.children);
 
@@ -340,11 +343,21 @@ export function insertSelectedLNodeType(
         const type = createDOType(path.concat([name]), selection[name]);
         const sdo = createElement(doc, "SDO", { name, transient, type });
         doType.prepend(sdo);
+
+        // For arrays set count attribute
+        if (dep.isArray === "true" && dep.sizeAttribute) {
+          sdo.setAttribute("count", dep.sizeAttribute);
+        }
       } else {
         const { fc, dchg, dupd, qchg } = dep;
 
         const da = createElement(doc, "DA", { name, fc, dchg, dupd, qchg });
 
+        // For arrays set count attribute
+        if (dep.isArray === "true" && dep.sizeAttribute) {
+          da.setAttribute("count", dep.sizeAttribute);
+        }
+
         if (dep.typeKind === "BASIC" || !dep.typeKind) {
           da.setAttribute("bType", dep.type!);
         }
diff --git a/tDataTypeTemplates/nsdToJson.spec.ts b/tDataTypeTemplates/nsdToJson.spec.ts
index b35b6b5..4ad093b 100644
--- a/tDataTypeTemplates/nsdToJson.spec.ts
+++ b/tDataTypeTemplates/nsdToJson.spec.ts
@@ -29,8 +29,6 @@ describe("NSD to Json parsing function", () => {
       const data = nsdToJson(lnClass)!;
       const sClass = lnClassData[lnClass];
 
-      console.log(lnClass);
-
       Object.keys(sClass).forEach((key) => {
         expect(data[key]).to.deep.equal(sClass[key]);
       });