Use to sequence a custom action.
InstallUISequence, InstallExecuteSequence, AdminUISequence, AdminExecuteSequence, AdvertiseExecuteSequence
Action (String, required) : The CustomAction to which the Custom element applies.
After (String) : The name of the standard or custom action after which this action should be performed. Mutually exclusive with Before, OnExit, and Sequence attributes
Before (String) : The name of the standard or custom action before which this action should be performed. Mutually exclusive with OnExit, After, and Sequence attributes
Condition (String) : Optional condition that determines whether the action should be executed.
OnExit (enumeration) : Mutually exclusive with Before, After, and Sequence attributes This attribute's value must be one of the following:
Overridable (YesNoTypeUnion) : If "yes", the sequencing of this action may be overridden by sequencing elsewhere.
Sequence (Integer) : The sequence number for this action. It is recommended to use one of the other mutually exclusive attributes: OnExit, After, and Before.