如何使用node JS使用参数调用PostgreSQL函数?

I am new to PostgreSQL and node JS. I am creating web service using node js . I have created function in PostgreSQL and its execute successfully. Now what I want that I am calling this function through node JS but I am not getting how to send value in parameter. I want to insert two value "task_name" and "task_type" in table through node JS. How can I achieve this ?I am new to PostgreSQL and node JS. I am creati