Used in function input declaration statements to define an input as String Series.
The value of an input defined as a Series may vary from bar to bar and can be referred to historically.
==== Usage ====<syntaxhighlight>Input:InputName(StringSeries)</syntaxhighlight> Where: [[InputName]] - an expression specifying the input name The name can consist of letters, underscore characters, numbers, and periods.
Where: :'''InputName''' - an expression specifying the input name. The name can consist of letters, underscore characters, numbers, and periods. The name ''cannot '' begin with a number or a period and is not case-sensitive.
==== Example ====Declare [[''Messages]] '' as a String Series function input: