The variable part of a control or control enhancement that is instantiated by an organization during the tailoring process by either assigning an organization-defined value or selecting a value from a predefined list provided as part of the control or control enhancement.
Sources:
NIST SP 800-53A Rev. 5
under organization-defined parameter
See assignment operation and selection operation.
Sources:
NIST SP 800-53A Rev. 5
under organization-defined parameter
The variable part of a security requirement that is instantiated by an organization during the tailoring process by assigning an organization-defined value as part of the requirement.
Sources:
NIST SP 800-171r3
under organization-defined parameter
from
NIST SP 800-53 Rev. 5 - adapted