Each input parameter should have the variablename and its value.
各输入参数应该有自己的变量名和值。
2
Name Keyword identifying input and output variable names as specified in the service definition.
NAME在服务定义中指定的标识输入和输出变量名的关键字。
3
Know that a variablename must not be specified when evaluating context variables for the process administrative task, since this is taken directly from the process input message.