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Parameter

Returns the value of a selected parameter that has been added in the procedure definition.

Parameter block

Description​

The Parameter block returns the value of a selected parameter that has been added in the procedure definition. This is a code block part of the Procedures drawer.

Usage​

Returns the value of a selected parameter that has been added in the procedure definition.

Syntax​

Inputs in this block:

  • A created parameter from the dropdown menu

Example​

In this model, a procedure called "draw square" was created to draw squares in spaceland, with a parameter that defined the side length of the square. Parameters are useful here because the side lengths are not constant. A parameter is a condition which has to be specified in order for a procedure to execute the desired function.

Parameter example code

Notes​

Parameters allow procedures to be more flexible and reusable by accepting different input values each time they are called.

  • Procedure - Define a new procedure with parameters
  • Call - Call a procedure with parameter values
  • Call (returns) - Call a procedure with parameters and retrieve its return value