# Verify Column Header This is a pre-built action in Avo Assure. This action verifies whether a specific column is **Present** or **Not** **Present** in the grid, and save the result in the dynamic variable. ### Syntax **Input Value:** ``

Argument	Description
Column Header Value (Required)	Required column name of the grid
Not (Optional)	Not is used when working with negative scenario and it is not case sensitive

Argument

Description

Column Header Value

(Required)

Required column name of the grid

Not

(Optional)

Not is used when working with negative scenario and it is not case sensitive

**Output Value:**

Argument	Description
<Dynamic Variable>(Optional);<Dynamic Variable>(Optional)	This variable holds the results in True and False

### **Example 1** **Checks if a column header exists or not in the Grid**\ \ The **Verify Column Header** action takes the value from the Input Value column (e.g., **Date;Not**) and checks whether the specified column header **(Date)** exists in the Grid. If "**Not**" is provided, it checks for the absence of the column. The result is stored in the **{Header}** variable, while the execution status is stored in the **{Status}** variable, with the following possible values: * **True** – if the header is found * **False** – if the header is not found

### **Example 2** **Verify Column Header (Year)**\ \ The **Verify Column Header** action takes the value from the Input Value column (**Year**) and verifies whether the specified column header exists in the Grid. The result of the verification is stored in the **{Header}** variable, while the execution status is stored in the **{Status}** variable, with the following possible values: * **True** – if the column header is found. * **False** – if the column header is not found or an error occurs.