src/RequestOptions/RequestOptions.php
public function addDefaultBodyParameter($name, $value)
    {
        if (!isset($this->body[$name])) {
            $this->body[$name] = $value;
        }

        return $this;
    }
public function addDefaultBodyParameter($name, $value)
    {
        if (!isset($this->body[$name])) {
            $this->body[$name] = $value;
        }

        return $this;
    }
public function addDefaultBodyParameter ( $ name , $ value ) { if ( ! isset ( $ this -> body [ $ name ] ) ) { $ this -> body [ $ name ] = $ value ; } return $ this ; }
Add a body parameter if it isn't already set.

@param string $name  Name of the query parameter
@param string $value Value of the query parameter

@return $this
Add a body parameter if it isn t already set .