diff --git a/src/model/metaData/Collapsible.ts b/src/model/metaData/Collapsible.ts
new file mode 100644
index 0000000..ea86695
--- /dev/null
+++ b/src/model/metaData/Collapsible.ts
@@ -0,0 +1,51 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2022.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/*******************************************************************************
+ ** Meta-Data to define Collapsible state, e.g., for a section or widget
+ **
+ *******************************************************************************/
+export class Collapsible
+{
+   isCollapsible: boolean;
+   initiallyOpen: boolean;
+
+   constructor(object: any)
+   {
+      ////////////////////////////////////////////////////////////////////////////
+      // use value === true to let undefined (or any other) values become false //
+      ////////////////////////////////////////////////////////////////////////////
+      this.isCollapsible = object.isCollapsible === true;
+      this.initiallyOpen = object.initiallyOpen === true;
+   }
+
+
+   /***************************************************************************
+    *
+    ***************************************************************************/
+   public clone(): Collapsible
+   {
+      const clone = new Collapsible({
+         ...this
+      });
+      return (clone);
+   }
+}
diff --git a/src/model/metaData/QTableSection.ts b/src/model/metaData/QTableSection.ts
index b427fa4..9657741 100644
--- a/src/model/metaData/QTableSection.ts
+++ b/src/model/metaData/QTableSection.ts
@@ -19,6 +19,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+import {Collapsible} from "./Collapsible";
 import {QHelpContent} from "./QHelpContent";
 
 /*******************************************************************************
@@ -37,6 +38,7 @@ export class QTableSection
    gridColumns?: number;
    helpContents?: QHelpContent[];
    alternatives?: Map<string, QTableSection>;
+   collapsible?: Collapsible;
 
 
    /*******************************************************************************
@@ -68,6 +70,11 @@ export class QTableSection
             this.alternatives.set(type, new QTableSection(object.alternatives[type]));
          }
       }
+
+      if (object.collapsible)
+      {
+         this.collapsible = new Collapsible(object.collapsible);
+      }
    }
 
    /***************************************************************************
@@ -97,11 +104,14 @@ export class QTableSection
             alternativesClone.set(key, value.clone()));
       }
 
+      const collapsibleClone: Collapsible | undefined = (this.collapsible ? this.collapsible.clone() : undefined);
+
       const clone = new QTableSection({...this});
 
       clone.fieldNames = fieldNamesClone;
       clone.helpContents = helpContentsClone;
       clone.alternatives = alternativesClone;
+      clone.collapsible = collapsibleClone;
 
       return (clone);
    }
diff --git a/src/model/metaData/QWidgetMetaData.ts b/src/model/metaData/QWidgetMetaData.ts
index 17c6b78..6b910ad 100644
--- a/src/model/metaData/QWidgetMetaData.ts
+++ b/src/model/metaData/QWidgetMetaData.ts
@@ -19,6 +19,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+import {Collapsible} from "./Collapsible";
 import {QHelpContent} from "./QHelpContent";
 import {QIcon} from "./QIcon";
 
@@ -51,6 +52,7 @@ export class QWidgetMetaData
 
    helpContent?: Map<string, QHelpContent[]>;
    defaultValues?: Map<string, any>;
+   collapsible?: Collapsible;
 
    constructor(object: any)
    {
@@ -89,5 +91,9 @@ export class QWidgetMetaData
          }
       }
 
+      if (object.collapsible)
+      {
+         this.collapsible = new Collapsible(object.collapsible);
+      }
    }
 }
diff --git a/tests/model/metaData/Collapsible.test.ts b/tests/model/metaData/Collapsible.test.ts
new file mode 100644
index 0000000..c1655c6
--- /dev/null
+++ b/tests/model/metaData/Collapsible.test.ts
@@ -0,0 +1,64 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2025.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {Collapsible} from "../../../src/model/metaData/Collapsible";
+
+describe("Collapsible", () =>
+{
+   describe("constructor", () =>
+   {
+      it("should construct with all properties from object", () =>
+      {
+         const collapsible = new Collapsible({
+            isCollapsible: true,
+            initiallyOpen: true
+         });
+
+         expect(collapsible.isCollapsible).toBe(true);
+         expect(collapsible.initiallyOpen).toBe(true);
+      });
+
+      it("should handle empty object", () =>
+      {
+         const collapsible = new Collapsible({});
+
+         //////////////////////////////////////
+         // both attributes default to false //
+         //////////////////////////////////////
+         expect(collapsible.isCollapsible).toBe(false);
+         expect(collapsible.initiallyOpen).toBe(false);
+      });
+
+      it("should treat non-true values as false", () =>
+      {
+         const collapsible = new Collapsible({
+            isCollapsible: 1,
+            initiallyOpen: "true"
+         });
+
+         //////////////////////////////////////
+         // both attributes default to false //
+         //////////////////////////////////////
+         expect(collapsible.isCollapsible).toBe(false);
+         expect(collapsible.initiallyOpen).toBe(false);
+      });
+   });
+});
diff --git a/tests/model/metaData/QTableSection.test.ts b/tests/model/metaData/QTableSection.test.ts
new file mode 100644
index 0000000..38b94d2
--- /dev/null
+++ b/tests/model/metaData/QTableSection.test.ts
@@ -0,0 +1,105 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2025.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {QTableSection} from "../../../src/model/metaData/QTableSection";
+
+describe("QTableSection", () =>
+{
+   describe("constructor", () =>
+   {
+      it("should construct with collapsible object if set in source object", () =>
+      {
+         const section = new QTableSection({
+            name: "section1",
+            collapsible: {
+               isCollapsible: true,
+               initiallyOpen: false
+            }
+         });
+
+         expect(section.name).toBe("section1");
+         expect(section.collapsible?.isCollapsible).toBe(true);
+         expect(section.collapsible?.initiallyOpen).toBe(false);
+      });
+
+      it("should construct with undefined collapsible object if not present in source object", () =>
+      {
+         const section = new QTableSection({
+            name: "section2"
+         });
+
+         expect(section.name).toBe("section2");
+         expect(section.collapsible).toBeUndefined();
+      });
+
+      it("should construct with collapsible object with null values if empty collapsible object is in source", () =>
+      {
+         const section = new QTableSection({
+            name: "section3",
+            collapsible: {}
+         });
+
+         expect(section.name).toBe("section3");
+         expect(section.collapsible?.isCollapsible).toBe(false);
+         expect(section.collapsible?.initiallyOpen).toBe(false);
+      });
+
+      it("should deeply clone a collapsible", () =>
+      {
+         const section = new QTableSection({
+            name: "section4",
+            collapsible: {
+               isCollapsible: true,
+               initiallyOpen: true
+            }
+         });
+
+         expect(section.name).toBe("section4");
+         expect(section.collapsible?.isCollapsible).toBe(true);
+         expect(section.collapsible?.initiallyOpen).toBe(true);
+
+         const clone = section.clone();
+         expect(clone.collapsible?.isCollapsible).toBe(true);
+         expect(clone.collapsible?.initiallyOpen).toBe(true);
+
+         if(clone.collapsible)
+         {
+            clone.collapsible.initiallyOpen = false;
+         }
+         expect(section.collapsible?.initiallyOpen).toBe(true);
+         expect(clone.collapsible?.initiallyOpen).toBe(false);
+      });
+
+      it("should handle an undefined collapsible during cloning", () =>
+      {
+         const section = new QTableSection({
+            name: "section5"
+         });
+
+         expect(section.name).toBe("section5");
+         expect(section.collapsible).toBeUndefined();
+
+         const clone = section.clone();
+         expect(clone.collapsible).toBeUndefined();
+      });
+   });
+
+});
diff --git a/tests/model/metaData/QWidgetMetaData.test.ts b/tests/model/metaData/QWidgetMetaData.test.ts
new file mode 100644
index 0000000..32c9440
--- /dev/null
+++ b/tests/model/metaData/QWidgetMetaData.test.ts
@@ -0,0 +1,67 @@
+/*
+ * QQQ - Low-code Application Framework for Engineers.
+ * Copyright (C) 2021-2025.  Kingsrook, LLC
+ * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
+ * contact@kingsrook.com
+ * https://github.com/Kingsrook/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {QWidgetMetaData} from "../../../src/model/metaData/QWidgetMetaData";
+
+describe("QWidgetMetaData", () =>
+{
+   describe("constructor", () =>
+   {
+      it("should construct with collapsible object if set in source object", () =>
+      {
+         const widget = new QWidgetMetaData({
+            name: "widget1",
+            collapsible: {
+               isCollapsible: true,
+               initiallyOpen: false
+            }
+         });
+
+         expect(widget.name).toBe("widget1");
+         expect(widget.collapsible?.isCollapsible).toBe(true);
+         expect(widget.collapsible?.initiallyOpen).toBe(false);
+      });
+
+      it("should construct with undefined collapsible object if not present in source object", () =>
+      {
+         const widget = new QWidgetMetaData({
+            name: "widget2"
+         });
+
+         expect(widget.name).toBe("widget2");
+         expect(widget.collapsible).toBeUndefined();
+      });
+
+      it("should construct with collapsible object with null values if empty collapsible object is in source", () =>
+      {
+         const widget = new QWidgetMetaData({
+            name: "widget3",
+            collapsible: {}
+         });
+
+         expect(widget.name).toBe("widget3");
+         expect(widget.collapsible?.isCollapsible).toBe(false);
+         expect(widget.collapsible?.initiallyOpen).toBe(false);
+      });
+
+   });
+
+});