Input Parameter

Function can accept parameters, which are passed in by the caller. To add parameters, make sure the right panel is visible, and click the + button at the top. Editing function parameters is similar to editing variables. You can set any name for the parameter, and choose the data type. For example:

Access Parameter

After adding parameters, they will be visible as Handles on Function Entry node, so to access the value of the parameter, we can connect them to other nodes: