getFrontendVariable

getFrontendVariable Function

The getFrontendVariable function is used to retrieve the value of a client-side variable or to evaluate it on demand during the execution of another variable.

Purpose

This function allows you to reference or reuse the value of another client-side variable by its variable ID, making your setup more modular and maintainable.

---

Function Signature

this.getFrontendVariable(variableId: string): any

Parameters

• variableId (string, required): The ID of the client-side variable you want to retrieve. This ID must match the internal name defined in the JENTIS Tag Manager.

---

Return Value

• Type: any Returns the value of the specified client-side variable. The returned type depends on the definition of the referenced variable.

---

Example

Retrieve the value of another client-side variable

function() {
  let referrer = this.getFrontendVariable("document_ref_diff");
  return referrer;
}

In this example, the value of the document_ref_diff variable is retrieved and returned from within another client-side variable.

---

Use Cases

• Compose variables by combining values from other client-side variables.

• Avoid duplicating logic across multiple variables.

• Maintain a centralized and DRY (Don't Repeat Yourself) configuration.

This function is essential when building dynamic tracking setups that depend on multiple contextual inputs from the browser.