Parameter Types

Instruction parameters allow different types of inputs. These types are listed below and specifically identified in the description of the parameter in the following sections or in CRBasic help.

  • Constant

  • Variable

  • Variable or Array

  • Constant, Variable, or Expression

  • Constant, Variable, Array, or Expression

  • Name

  • Name or list of Names

  • Variable, or Expression

  • Variable, Array, or Expression

The following table lists the maximum length and allowed characters for the names for Variables, Arrays, Constants, etc.

Rules for Names
Name for Maximum Length (number of characters) Allowed characters
Variable or Array 39 Letters A-Z, upper or lower case, underscore “_”, and numbers 0-12. The name must start with a letter. CRBasic is not case sensitive.
Constant 39
Alias 39
Data Table Name 20
Field name 39