Gets the parameters of the method invocation. If there are no input parameters then this will return a GVariant with 0 children rather than NULL. Since 2.26
A GVariant tuple. Do not unref this because it is owned by invocation. [transfer none]
See Implementation
Gets the parameters of the method invocation. If there are no input parameters then this will return a GVariant with 0 children rather than NULL. Since 2.26