Interoperability is active When this option is selected, data from the external system (SAP Plant Maintenance) is available. See Also Profile The selected profile of settings is applied to the site. It determines whether information from the external system (SAP Plant Maintenance), APM, or both is available in the site. See Also Plant The selected SAP plant is used to filter lists of task lists and task list operations. See Also Planning plant The selected SAP plant is used to filter lists of maintenance items. See Also Maintenance plant The selected SAP plant is used to filter lists of task lists to add to action plans. See Also Number The telephone number for this person. You can enter up to 15 characters. If a telephone number mask has been created for the appropriate country, you do not have to enter any formatting characters such as brackets or dashes. APM will automatically format the number correctly. Extension The extension for this phone number. You can enter up to 6 characters.