public function addRecipientVariable(
        string $recipient,
        string $recipientVariable,
        string $recipientVariableValue
    ): self {
        if (! isset($this->recipientVariables[$recipient])) {
            $this->recipientVariables[$recipient] = [];
        }

        $this->recipientVariables[$recipient][$recipientVariable] = $recipientVariableValue;

        return $this;
    }
public function addRecipientVariable(
        string $recipient,
        string $recipientVariable,
        string $recipientVariableValue
    ): self {
        if (! isset($this->recipientVariables[$recipient])) {
            $this->recipientVariables[$recipient] = [];
        }

        $this->recipientVariables[$recipient][$recipientVariable] = $recipientVariableValue;

        return $this;
    }
public function addRecipientVariable ( string $ recipient , string $ recipientVariable , string $ recipientVariableValue ) : self { if ( ! isset ( $ this -> recipientVariables [ $ recipient ] ) ) { $ this -> recipientVariables [ $ recipient ] = [ ] ; } $ this -> recipientVariables [ $ recipient ] [ $ recipientVariable ] = $ recipientVariableValue ; return $ this ; }
Adds a single recipient variable for the specified recipient.

@param string $recipient
@param string $recipientVariable
@param string $recipientVariableValue

@return $this
Adds a single recipient variable for the specified recipient .