A derived part leverages the functionality of a generic Base Part. To create a derived part, follow the basic steps in Creating a Message Part and follow the additional steps:

On the General tab, enter the generic base part that you want to use in the Base Part field.
Select Standard from the Type drop-down list.
Click the Input Map tab.
Add an Input Map sub-type record for each of the base part's Input Properties that you want to specify.
In the Name field, enter the name of the input property.
In the Value field, enter the value that you want this derived part to insert into the base part for the specified input property.
- At a minimum, you must specify all of the base part's required Input Properties.
- Refer to the base part's Input Properties tab for the list of available inputs.

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