Hi Giulia,
Syncfusion Greetings!
Currently, Document editor provides option to insert text box form fields.
You can insert form fields either selecting from toolbar or through API.
Through API
Sample code snippet
|
EditorContainer.GetDocumentEditor().GetEditor().InsertFormField(FormFieldType.Text); |
Kindly check it and let us know whether this satisfy your requirement.
Regards,
Harini C