1# Input_KeyState 2 3## **Overview** 4 5Defines key information, which identifies a key pressing behavior. For example, the Ctrl key information contains the key value and key type. 6 7**Since**: 12 8 9**Related module**: [input](capi-input.md) 10 11**Header file**: [oh_input_manager.h](capi-oh-input-manager-h.md) 12