To get a form ID, do the following:
- Log in to GroupDocs dashboard using your credentials.
- In the dashboard, click Signature in the Dashboard list.
- Under All Envelopes, click Forms.
- Click the Embed link button in line with your preferred form.
- In the newly displayed Embed Link window, copy the form ID (form ID is only a part of the embed link) as shown in the below figure.
Result: You can use this form ID while embedding the Signature app to your preferred CMS using the Signature plugin.