# SDK Reference

The `SDOC.DocumentSDK` class provides static methods for generating and managing documents.

#### `generateDocument`

Generates a single document synchronously.

* **Signature:**

{% code title="Signature" %}

```apex
generateDocument(Id templateId, Id recordId, GenerationOptions options)
```

{% endcode %}

* **Parameters:**
  * `templateId` (Id): The ID of the S-Docs template.
  * `recordId` (Id): The ID of the base Salesforce record.
  * `options` (SDOC.GenerationOptions): Optional. Specifies email settings, user inputs, or file save behaviors.
* **Returns:**
  * `String` (JSON): Contains `contentDocumentId`, `attachmentName`, `createdDate`, etc.
* **Supported Contexts:**

  * Apex Invocable (Flow), Queueable, Batch, @future, Visualforce Controllers, Aura/LWC Controllers.

  <div data-gb-custom-block data-tag="hint" data-style="warning" class="hint hint-warning"><p>NOT supported in Apex Triggers (will throw Exception).</p></div>
* **Limitations:**
  * Only 1 invocation allowed per Apex transaction (to avoid limits).
  * Supports PDF and PDF-UPLOAD formats only.

#### `generateEmail`

Generates the HTML body of an email using an S-Docs template.

* **Signature:**

{% code title="Signature" %}

```apex
generateEmail(Id templateId, Id recordId)
```

{% endcode %}

* **Returns:**
  * `String`: The HTML content of the email body.
* **Usage:**
  * Commonly used to populate a `Messaging.SingleEmailMessage` object in Apex for richer content than standard Salesforce templates allow.

#### `generateDocsInBatch`

Initiates an asynchronous batch job to generate documents for multiple records.

* **Signature:**

{% code title="Signature" %}

```apex
generateDocsInBatch(List<Id> recordIds, Set<Id> templateIds, Integer batchSize, List<SDOC.BatchAction> batchActions)
```

{% endcode %}

* **Parameters:**
  * `recordIds`: List of base record IDs.
  * `templateIds`: Set of template IDs to generate for each record.
  * `batchSize`: Integer (Default 5).
  * `batchActions`: List of actions, such as `new SDOC.CombinedDocumentHandler()`.
* **Returns:**
  * `Id`: The AsyncApexJob ID.


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