A provision system for providing at least one drive parameter (P) of a door system , having: the door system having: - at least one door component and at least one drive unit of the door system , wherein the drive unit is operatively connected to the door component in order to bring the door component into at least one movement state for performing at least one door function, - at least one detection unit of the door system for determining the at least one drive parameter (P), wherein the drive parameter (P) is correlated with the door function, - a transmission unit of the door system for sending the at least one drive parameter (P) determined by the detection unit , the provision system further having: - a communication unit for wirelessly receiving the at least one transmitted drive parameter (P), - a storage system remote from the door system, wherein the communication unit is designed to wirelessly transmit the at least one received drive parameter (P) to the storage system remote from the door system, such that the transmitted drive parameter (P) can be provided remotely from the door system, wherein the transmission unit is designed as a retrofittable transmission unit , such that the transmission unit can be subsequently integrated into the door system , wherein a communication technology is provided by the transmission unit , and wherein the transmission unit is designed as a retrofit device or integrated into a retrofit device in order to expand the door system with the communication technology, wherein the retrofit device has at least one, in particular mechanical, connection in order to connect a connection interface element of the transmission unit to an original interface of the door system . - at least one door component and at least one drive unit of the door system , wherein the drive unit is operatively connected to the door component in order to bring the door component into at least one movement state for performing at least one door function, - at least one detection unit of the door system for determining the at least one drive parameter (P), wherein the drive parameter (P) is correlated with the door function, - a transmission unit of the door system for sending the at least one drive parameter (P) determined by the detection unit , the provision system further having: - a communication unit for wirelessly receiving the at least one transmitted drive parameter (P), - a storage system remote from the door system, - a communication unit for wirelessly receiving the at least one transmitted drive parameter (P), - a storage system remote from the door system, wherein the communication unit is designed to wirelessly transmit the at least one received drive parameter (P) to the storage system remote from the door system, such that the transmitted drive parameter (P) can be provided remotely from the door system, wherein the transmission unit is designed as a retrofittable transmission unit , such that the transmission unit can be subsequently integrated into the door system , wherein a communication technology is provided by the transmission unit , and wherein the transmission unit is designed as a retrofit device or integrated into a retrofit device in order to expand the door system with the communication technology, wherein the retrofit device has at least one, in particular mechanical, connection in order to connect a connection interface element of the transmission unit to an original interface of the door system . <EOS>