to_string

The to_string() function converts the provided argument to a string value.

Syntax

to_string(value)

Parameters

• value: The value to convert to a string. This can be a boolean, integer, or IP address.

Return Value

Returns a string representation of the provided value.

Example

to_string(ip.src) // Converts the source IP to a string
to_string(http.response.code) // Converts the response code to a string

Use Cases

• Converting numeric values to strings for comparison or concatenation
• Formatting IP addresses as strings for logging or header manipulation
• Converting boolean values to strings for custom logic or reporting

Note

This function is available only in template expressions and not in conditions.