src/bTd/SNP/Protocol/Message.php
public function addToContent(string $param, string $value): void
    {
        $this->content[$param] = $value;

    }
public function addToContent(string $param, string $value): void
    {
        $this->content[$param] = $value;

    }
public function addToContent ( string $ param , string $ value ) : void { $ this -> content [ $ param ] = $ value ; }
Add a named value to the content part of message.

@param string $param Name.
@param string $value Value.

@return void
Add a named value to the content part of message .