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# How-to guides overview

> Discover common scenario integrations and how to implement Docusign eSignature for Salesforce and the Apex Toolkit.

## How-to guides overview

The how-to guides in this section demonstrate how common [Docusign eSignature for Salesforce](/docs/salesforce/salesforce101) scenarios work and how you can implement them into your own apps. All code examples in this section show how to use the Apex Toolkit, which is installed with the Docusign eSignature for Salesforce managed package.

Each Apex Toolkit how-to guide is listed below:

* [How to install the Apex Toolkit](/docs/salesforce/how-to/apex-toolkit-install)
* [How to authenticate](/docs/salesforce/how-to/authenticate)
* [How to obtain consent](/docs/salesforce/how-to/obtain-consent)
* [How to send an envelope](/docs/salesforce/how-to/send-envelope)
* [How to use embedded signing](/docs/salesforce/how-to/embedded-sending-signing)
* [How to bulk send envelopes](/docs/salesforce/how-to/bulk-send)
* [How to send multiple envelopes](/docs/salesforce/how-to/multi-send)
* [How to send an envelope with tabs](/docs/salesforce/how-to/send-envelope-with-tabs)
* [How to send an envelope with email reminders](/docs/salesforce/how-to/send-envelope-with-email-reminders)
* [How to send an envelope to an In Person Signer](/docs/salesforce/how-to/send-envelope-to-in-person-signer)
* [How to transform PDF form fields](/docs/salesforce/how-to/transform-pdf-form-fields)
* [How to send an envelope from a Salesforce flow](/docs/salesforce/how-to/send-envelope-from-salesforce-flow)
* [How to send an envelope from an Apex trigger](/docs/salesforce/how-to/send-envelope-from-trigger)
* [How to perform unit testing](/docs/salesforce/how-to/unit-testing)
* [How to send an envelope with merge fields](/docs/salesforce/how-to/send-envelope-with-merge-fields)