add method

application/Espo/Core/Currency/ConfigDataProvider.php

@@ -37,6 +37,16 @@ class ConfigDataProvider
     public function __construct(private Config $config)
     {}
 
+    /**
+     * Get decimal places.
+     *
+     * @since 8.3.0
+     */
+    public function getDecimalPlaces(): ?int
+    {
+        return $this->config->get('currencyDecimalPlaces');
+    }
+
     /**
      * Get a system default currency.
      */