laud_sec_api/migrations/m230130_173821_campos_uid_tablas.php

<?php

use yii\db\Migration;

/**
 * Class m230130_173821_campos_uid_tablas
 */
class m230130_173821_campos_uid_tablas extends Migration {
  /**
   * {@inheritdoc}
   */
  public function safeUp() {
    $this->addColumn("Dependencia", "firebaseId", $this->string(50));
    $this->addColumn("Evento", "firebaseId", $this->string(50));
    $this->addColumn("Grupo", "firebaseId", $this->string(50)); 
  }

  /**
   * {@inheritdoc}
   */
  public function safeDown() {
    
    $this->dropColumn("Grupo", "firebaseId");
    $this->dropColumn("Evento", "firebaseId");
    $this->dropColumn("Dependencia", "firebaseId");

  }

}