fbq('track', 'Purchase', { content_ids: ['123'], // 'REQUIRED': array of product IDs value: 1234.99, // REQUIRED, up to 2 decimals optional currency: 'USD', // REQUIRED content_type: 'product', // RECOMMENDED: Either product or product_group based on the content_ids or contents being passed. });fbq('track', 'Purchase', { content_ids: ['123'], // 'REQUIRED': array of product IDs value: 1234.99, // REQUIRED, up to 2 decimals optional currency: 'USD', // REQUIRED content_type: 'product', // RECOMMENDED: Either product or product_group based on the content_ids or contents being passed. });