Get the title of the notification.

@param  string  $title

@return $this
498112
public function title(string $title)
    {
        $name = config('app.name');

        if (empty($this->subject) && ! is_null($name)) {
            $this->subject(sprintf('[%s] %s', $name, $title));
        }

        $this->title = $title;

        return $this;
    }
1205175
public function setTitle($title)
    {
        $this->title = $title;

        $this->getViewService()->share('title', $this->getTitle());
    }
829592
protected function setTitle($title)
    {
        self::writeFullTag(
            $title,
            'title',
            false,
            'news:title',
            $this->validator,
            'validateTitle',
            $this->exception,
            'Provided title is not a valid value.'
        );

        return $this;
    }
172095
public function title($title)
    {
        if ($this->isNotSetOrEmpty($title)) {
            throw CouldNotCreateButton::titleNotProvided();
        } elseif (mb_strlen($title) > 20) {
            throw CouldNotCreateButton::titleLimitExceeded($title);
        }

        $this->payload['title'] = $title;

        return $this;
    }
930834
public function setTitle($title, $link = null)
    {
        $this->data['title'] = $title;
        if ($link) {
            $this->data['title_link'] = $link;
        }

        return $this;
    }
460023
public function setTitle($title)
    {
        if (is_string($title) === true) {
            $this->title = $title;
        } else {
            $msg = "The 'title' argument must be a string, '" . gettype($title) . "' given.";
            throw new InvalidArgumentException($msg);
        }
    }
175543
public function setTitle(Title $title)
    {
        $this->attachment['title'] = $title;

        if ($title->hasLink()) {
            $this->attachment['title_link'] = $title->getLink();
        }

        return $this;
    }
74239
public function setBodyTitle($title)
    {
        $this->getResponse()->getTheme()->setBodyTitle($title);
        $this->_title = $title;
    }
836585
public function rename($title)
    {
        if ($this->title !== $title) {
            $oldTitle = $this->title;
            $this->title = $title;

            $this->raise(new Renamed($this, $oldTitle));
        }

        return $this;
    }
904887
public function handleTitle($title)
    {
        if (is_null($request = $this->getRequest()) || empty($this->titles)) {
            return $title;
        }

        if (in_array($action = $request->get('action'), array_keys($this->titles))) {
            return $this->titles[$action];
        }

        return $title;
    }
813765
protected function getUnifiedTitle($title)
    {
        $title = mb_strtolower($title, 'utf8');
        $title = preg_replace('/\W+/u', ' ', $title);

        return trim($title);
    }
877793
protected function formatTitleWithAccessKey( $title ) {
		if ( $this->fieldWidget && method_exists( $this->fieldWidget, 'formatTitleWithAccessKey' ) ) {
			return $this->fieldWidget->formatTitleWithAccessKey( $title );
		}
		return $title;
	}
1221941
public function withTitle($title)
    {
        Assertion::string($title);
        Assertion::notBlank($title);

        $instance = clone $this;

        $instance->title = $title;

        return $instance;
    }
234425
public function setTitle($title)
	{
		if ( $title == $this->getTitle() ) { return; }

		$this->_values['title'] = (string) $title;
		$this->setModified();
	}
654797
private function setTitle(string $title): FullNameEmbeddableInterface
    {
        $this->notifyEmbeddablePrefixedProperties(
            'title',
            $this->title,
            $title
        );
        $this->title = $title;

        return $this;
    }
171634
public function setTitle($title)
    {
        // if the alias is empty use the title for the alias.
        if ($this->_alias === null) {
            $this->setAlias($title);
        }
        
        $this->_title = $title;
        
        return $this;
    }
656338
protected function setTitleAttribute($title)
    {
        $this->attributes['title'] = $title;
        $this->slug = Str::slug($title);
    }