Handlebar Helper Function: Concat

Combines multiple values into a single string.

Availability 

This helper is available in the Winter ’26 release of Marketing Cloud Next (API version 65.0).

Syntax 

1{{concat value1 value2 ...}}

Parameters 

ParameterTypeDescription
value1AnyRequired. The first value to concatenate.
value2AnyThe second value to concatenate.
...AnyAdditional values to concatenate.

Return Value 

The function returns a single string with all input values concatenated together. Each value is converted to a string representation before concatenation. Arrays are converted by concatenating their elements as strings. Null values are skipped during concatenation. The function throws an exception if no arguments are provided.