Exposing tool parameters as variables

Exposing a tool parameter as a variable is useful when that parameter must be user specified every time the model is run. Also, if the tool parameter should be available from the model tool dialog box, that parameter must first be made into a variable, then the variable must be set as a model parameter.

    To expose a tool parameter as a variable
  1. Right-click the tool and click Make Variable > From Parameter.
  2. Click the parameter to be exposed as a variable in the model.
    Exposing tool parameter to make a model variable

    The parameter is added as a model variable and automatically connected to the tool.

    Tool parameter exposed

  3. Additionally, the new model variable can be made into a model parameter by right-clicking the variable and choosing Model Parameter.

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