This is not generally necessary, but may be useful for setting a component to a specific value before writing out a point cloud.
Input Ports
Input
All input features must have point cloud geometry.
Output Ports
Output
The updated features are output through this port.
Parameters
Component
The name of the component to add.
Type
The desired type of the added component.
Value
The value of the added component. This value will be used for all points.
Editing Transformer Parameters
Using a set of menu options, transformer parameters can be assigned by referencing other elements in the workspace. More advanced functions, such as an advanced editor and an arithmetic editor, are also available in some transformers. To access a menu of these options, click 
beside the applicable parameter. For more information, see Transformer Parameter Menu Options.
Transformer Categories
FME Licensing Level
FME Professional edition and above
FME Community
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Search for samples and information about this transformer on the FME Community.