TButton

$botaoSalvar = new TButton('botaoSalvar');

$botaoSalvar = new TButton('botaoSalvar');
$botaoSalvar->setAction(new TAction(['NomeClasseDeControle', 'salvar']), 'Salvar');

public static function salvar($param = null)
{
    new TMessage('info', 'Salvo com sucesso!');
}

$botaoSalvar = new TButton('botaoSalvar');
$botaoSalvar->setAction(new TAction(['NomeClasseDeControle', 'salvar']), 'Salvar');
$acao = $botaoSalvar->getAction();

$botaoSalvar = new TButton('botaoSalvar');
$botaoSalvar->setLabel('Salvar');

$botaoSalvar = new TButton('botaoSalvar');
$botaoSalvar->setLabel('Salvar');
$rotulo = $botaoSalvar->getLabel(); // Salvar

$botaoSalvar = new TButton('botaoSalvar');
$botaoSalvar->setLabel('Salvar');
$botaoSalvar->setImage('fas:save #000000');

$botaoSalvar = new TButton('botaoSalvar');
$botaoSalvar->setLabel('Salvar');
$botaoSalvar->addStyleClass('btn-primary');

$botaoSalvar = new TButton('botaoSalvar');
$botaoSalvar->setLabel('Salvar');
$botaoSalvar->addFunction("alert('Salvo com sucesso!');");

$botao = new TButton('botao');
$botao->setLabel('Teste');
$botao->setProperty('class', 'btn-teste');

$botao = new TButton('botao');
$botao->setLabel('Teste');
$botao->setProperty('categoria', 'interface');
$categoria = $botao->getProperty('categoria'); // interface

$botao = new TButton('botaoEnableDisableField');
$botao->setLabel('Teste');
$botao->addFunction('alert("Salvo com sucesso!");');

$btnHabilitar = new TButton('btnEnableField');
$btnHabilitar->addStyleClass('btn-default');
$btnHabilitar->setImage('far:circle #000000');
$btnHabilitar->setAction(new TAction([$this, 'habilitarCampo']), 'Habilitar Botão "Teste"');

$btnDesabilitar = new TButton('btnDisableField');
$btnDesabilitar->addStyleClass('btn-default');
$btnDesabilitar->setImage('far:circle #000000');
$btnDesabilitar->setAction(new TAction([$this, 'desabilitarCampo']), 'Desabilitar Botão "Teste"');

public static function habilitarCampo($param = null)
{
    TButton::enableField('nomeForm', 'botaoEnableDisableField');
}

public static function desabilitarCampo($param = null)
{
    TButton::disableField('nomeForm', 'botaoEnableDisableField');
}