By the end of this chapter you will be able to:

• Create macros
• Use macros

Creating macros

• Create a macro:
  • Find - Macros in the repository browser
  • Right click and select Add Macro
  • Configure the macro:
    • Name: NumOfWeeks
    • Minimum Parameters: 2
    • Maximum Parameters: 2
    • Expression: create an expression to work out the number of weeks - as a whole number – between two dates
      • Use the functions dateDiff() and round() to help with this
  • Press  to save your new macro

Using Macros

• Create a new model: Try Macros
• Drag the stream MC Macro Terminated Customers on to your model

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