1. Open the workflow in the editor.
2. In the workflow Properties view, click the Parameters tab.
3. To add a parameter, click New.
The Developer tool creates a parameter with default properties. Change each field in the parameter properties as required.
4. Enter a name for the parameter.
5. Select either a connection or a string parameter type.
6. Enter a default value for the parameter.
For connection parameters, select a connection. For string parameters, enter a string value.
7. Optionally, enter the scale and the description of the parameter.