# Maestra Help Center

## Docs

- [How to Set Up the Ad Optimization Module](https://help.maestra.io/ad-optimization/how-to-set-up-the-ad-optimization-module.md)
- [FAQ: Billing](https://help.maestra.io/administration/faq-billing.md)
- [How to create an external system](https://help.maestra.io/administration/how-to-create-an-external-system.md)
- [Multibrand](https://help.maestra.io/administration/multibrand.md)
- [API v3 Methods: Basics](https://help.maestra.io/api-integrations/api-v3-methods-basics.md)
- [Computed fields](https://help.maestra.io/api-integrations/computed-fields.md)
- [How to Create a Custom Field](https://help.maestra.io/api-integrations/how-to-create-a-custom-field.md)
- [How to create and configure an integration point](https://help.maestra.io/api-integrations/how-to-create-and-configure-an-integration-point.md)
- [What is a DeviceUUID?](https://help.maestra.io/api-integrations/what-is-a-deviceuuid.md)
- [How to Set up Control Groups and A/B Tests for Campaigns](https://help.maestra.io/campaigns/ab-tests/how-to-set-up-control-groups-and-ab-tests-for-campaigns.md)
- [Action Templates for Campaigns](https://help.maestra.io/campaigns/common-settings/action-templates-for-campaigns.md)
- [How Does the Test Mode Work in Automated Campaigns?](https://help.maestra.io/campaigns/common-settings/how-does-the-test-mode-work-in-automated-campaigns.md)
- [How to Use Manual Import in Emails](https://help.maestra.io/campaigns/common-settings/how-to-use-manual-import-in-emails.md)
- [Setting up DKIM and DMARC](https://help.maestra.io/campaigns/email-campaigns/email-authentication-methods/setting-up-dkim-and-dmarc.md)
- [Active subscribers](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/active-subscribers.md)
- [Email Health Report](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/email-health-report.md)
- [Email List Hygiene](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/email-list-hygiene.md)
- [How to Segment Your Subscribers Based on Activity](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/how-to-segment-your-subscribers-based-on-activity.md)
- [Inactive Subscribers](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/inactive-subscribers.md)
- [What IPs Does Maestra Use to Send Emails?](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/what-ips-does-maestra-use-to-send-emails.md)
- [What Is Email Deliverability?](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/what-is-email-deliverability.md)
- [What to Do if You Have a High Bounce Rate](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/what-to-do-if-you-have-a-high-bounce-rate.md)
- [What to Do if You Have a High Email Spam Complaint Rate](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/what-to-do-if-you-have-a-high-email-spam-complaint-rate.md)
- [What to Do if You Have a High Email Unsubscribe Rate](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/what-to-do-if-you-have-a-high-email-unsubscribe-rate.md)
- [What to Do if You Have a Low Email Click-Through Rate](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/what-to-do-if-you-have-a-low-email-click-through-rate.md)
- [What to Do If You Have a Low Email Open Rate](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/what-to-do-if-you-have-a-low-email-open-rate.md)
- [Which Email Metrics Impact Deliverability](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/which-email-metrics-impact-deliverability.md)
- [Why Gmail Clips Emails](https://help.maestra.io/campaigns/email-campaigns/email-deliverability/why-gmail-clips-emails.md)
- [How to Add Sender's email address](https://help.maestra.io/campaigns/email-campaigns/get-started/how-to-add-senders-email-address.md)
- [Maestra’s Basic Template Variables (Web Version, Unsubscribe, Mailing Name)](https://help.maestra.io/campaigns/email-campaigns/get-started/maestras-basic-template-variables-web-version-unsubscribe-mailing-name.md)
- [How to Create a Bulk Email Campaign](https://help.maestra.io/campaigns/email-campaigns/how-to-create-a-bulk-email-campaign.md)
- [How to Create Automated Email Campaign](https://help.maestra.io/campaigns/email-campaigns/how-to-create-automated-email-campaign.md)
- [How to use custom fonts in the Maestra Editor](https://help.maestra.io/campaigns/email-campaigns/maestra-email-editor/how-to-use-custom-fonts-in-the-maestra-editor.md)
- [Filtering Out Fake Clicks: Keeping Your Click Rate Clean](https://help.maestra.io/campaigns/filtering-out-fake-clicks-keeping-your-click-rate-clean.md)
- [How to Send a Campaign Using a File](https://help.maestra.io/campaigns/how-to-send-a-campaign-using-a-file.md)
- [How to Test an Automated Campaign](https://help.maestra.io/campaigns/how-to-test-an-automated-campaign.md)
- [How to Test Your Campaign](https://help.maestra.io/campaigns/how-to-test-your-campaign.md)
- [Adding a Condition: if...else if...end if](https://help.maestra.io/campaigns/message-template-engine/adding-a-condition-ifelse-ifend-if.md)
- [Data Processing and Formatting Methods](https://help.maestra.io/campaigns/message-template-engine/data-processing-and-formatting-methods.md)
- [How to Greet Contacts by Name in your campaigns.](https://help.maestra.io/campaigns/message-template-engine/how-to-greet-contacts-by-name-in-your-campaigns.md)
- [How to Use Elements of a Collection with the "for...end for" Loop and the "set" Keyword](https://help.maestra.io/campaigns/message-template-engine/how-to-use-elements-of-a-collection-with-the-forend-for-loop-and-the-set-keyword.md)
- [How Use Variables to Create a Product Grid Layout for HTML](https://help.maestra.io/campaigns/message-template-engine/how-use-variables-to-create-a-product-grid-layout-for-html.md)
- [What is the Message Template Engine?](https://help.maestra.io/campaigns/message-template-engine/what-is-the-message-template-engine.md)
- [How to Create a Bulk Mobile Push Campaign](https://help.maestra.io/campaigns/mobile-push-campaigns/how-to-create-a-bulk-mobile-push-campaign.md)
- [Technical Limitations for Push notifications](https://help.maestra.io/campaigns/mobile-push-campaigns/technical-limitations-for-push-notifications.md)
- [Smart Send](https://help.maestra.io/campaigns/smart-send.md)
- [How to Create a Bulk SMS Campaign](https://help.maestra.io/campaigns/sms-campaigns/how-to-create-a-bulk-sms-campaign.md)
- [How to Shorten Links in SMS, MMS, and Other Channels](https://help.maestra.io/campaigns/sms-campaigns/how-to-shorten-links-in-sms-mms-and-other-channels.md)
- [Types of Campaigns Available in Maestra](https://help.maestra.io/campaigns/types-of-campaigns-available-in-maestra.md)
- [How to Use Webhook Responses in Flows](https://help.maestra.io/campaigns/webhooks/how-to-use-webhook-responses-in-flows.md)
- [Webhook Logs](https://help.maestra.io/campaigns/webhooks/webhook-logs.md)
- [What Is a Webhook and How to Create One](https://help.maestra.io/campaigns/webhooks/what-is-a-webhook-and-how-to-create-one.md)
- [How to Create an Action Template](https://help.maestra.io/customers-orders-and-products/actions/how-to-create-an-action-template.md)
- [What is an Action?](https://help.maestra.io/customers-orders-and-products/actions/what-is-an-action.md)
- [How Customer De-anonymization Works](https://help.maestra.io/customers-orders-and-products/customers/how-customer-de-anonymization-works.md)
- [How Maestra Builds a Unified Customer Profile](https://help.maestra.io/customers-orders-and-products/customers/how-maestra-builds-a-unified-customer-profile.md)
- [How to Add a Customer Manually via the User Interface](https://help.maestra.io/customers-orders-and-products/customers/how-to-add-a-customer-manually-via-the-user-interface.md)
- [How to Bulk Import Customers from a File?](https://help.maestra.io/customers-orders-and-products/customers/how-to-bulk-import-customers-from-a-file.md)
- [How to Manage Invalid Mobile Phone Numbers and Email Addresses](https://help.maestra.io/customers-orders-and-products/customers/how-to-manage-invalid-mobile-phone-numbers-and-email-addresses.md)
- [Who is a Customer?](https://help.maestra.io/customers-orders-and-products/customers/who-is-a-customer.md)
- [How to Set Up Data Export for Analytics](https://help.maestra.io/customers-orders-and-products/data-export/how-to-set-up-data-export-for-analytics.md)
- [What is an Order?](https://help.maestra.io/customers-orders-and-products/orders/what-is-an-order.md)
- [How to Set Up a Product Feed Import](https://help.maestra.io/customers-orders-and-products/products/how-to-set-up-a-product-feed-import.md)
- [How to Set Up a Regional Product Feed Import](https://help.maestra.io/customers-orders-and-products/products/how-to-set-up-a-regional-product-feed-import.md)
- [How to upload multiple product feeds in a single file](https://help.maestra.io/customers-orders-and-products/products/how-to-upload-multiple-product-feeds-in-a-single-file.md)
- [What is a Product?](https://help.maestra.io/customers-orders-and-products/products/what-is-a-product.md)
- [How to find clicks on specific links in campaigns](https://help.maestra.io/filters/filtering-by-campaign-engagement/how-to-find-clicks-on-specific-links-in-campaigns.md)
- [How to Find Customers Who Interacted with a Specific Campaign](https://help.maestra.io/filters/filtering-by-campaign-engagement/how-to-find-customers-who-interacted-with-a-specific-campaign.md): Applies to Email, SMS, Mobile Push, and Other Channels
- [How to Find Customers Who Interacted with More Than One Campaign](https://help.maestra.io/filters/filtering-by-campaign-engagement/how-to-find-customers-who-interacted-with-more-than-one-campaign.md): Applies to Email, SMS, Mobile Push, and Other Channels
- [How to find customers with send failures or undeliveries](https://help.maestra.io/filters/filtering-by-campaign-engagement/how-to-find-customers-with-send-failures-or-undeliveries.md)
- [How the order first action filter works](https://help.maestra.io/filters/filtering-by-orders/how-the-order-first-action-filter-works.md)
- [How the order status filter works](https://help.maestra.io/filters/filtering-by-orders/how-the-order-status-filter-works.md)
- [How to filter customers by total revenue](https://help.maestra.io/filters/filtering-by-orders/how-to-filter-customers-by-total-revenue.md)
- [How to Find Campaigns Sent for a Specific Order](https://help.maestra.io/filters/filtering-by-orders/how-to-find-campaigns-sent-for-a-specific-order.md)
- [How to find customers by Average Order Value](https://help.maestra.io/filters/filtering-by-orders/how-to-find-customers-by-average-order-value.md)
- [How to find customers with orders](https://help.maestra.io/filters/filtering-by-orders/how-to-find-customers-with-orders.md)
- [How to find customers without orders](https://help.maestra.io/filters/filtering-by-orders/how-to-find-customers-without-orders.md)
- [How to find orders for a specific period](https://help.maestra.io/filters/filtering-by-orders/how-to-find-orders-for-a-specific-period.md)
- [How to find orders with a specific order price](https://help.maestra.io/filters/filtering-by-orders/how-to-find-orders-with-a-specific-order-price.md)
- [How to find orders with applied promotions](https://help.maestra.io/filters/filtering-by-orders/how-to-find-orders-with-applied-promotions.md)
- [How to find orders with earned points](https://help.maestra.io/filters/filtering-by-orders/how-to-find-orders-with-earned-points.md)
- [How to Create Filters](https://help.maestra.io/filters/how-to-create-filters.md)
- [How to Simplify a Filter](https://help.maestra.io/filters/how-to-simplify-a-filter.md)
- [How to Create a Next Best Action flow](https://help.maestra.io/flows/examples/how-to-create-a-next-best-action-flow.md)
- [The price of the most viewed or purchased product has dropped flow](https://help.maestra.io/flows/examples/the-price-of-the-most-viewed-or-purchased-product-has-dropped-flow.md)
- [How the "MultiBranches" Mode Work in the "Condition" Block of the flow](https://help.maestra.io/flows/how-the-multibranches-mode-work-in-the-condition-block-of-the-flow.md)
- [How to Test a Flow](https://help.maestra.io/flows/how-to-test-a-flow.md)
- [How to Track a Customer's Progress Through a Flow](https://help.maestra.io/flows/how-to-track-a-customers-progress-through-a-flow.md)
- [What are flows and How Do You Use Them?](https://help.maestra.io/flows/what-are-flows-and-how-do-you-use-them.md)
- [What is a transactional flow?](https://help.maestra.io/flows/what-is-a-transactional-flow.md)
- [Test](https://help.maestra.io/general/test.md)
- [Testing](https://help.maestra.io/general/testing.md)
- [How Discounts Are Distributed Across Order Line Items](https://help.maestra.io/loyalty/how-discounts-are-distributed-across-order-line-items.md): This article describes how discounts are applied to order lines and associated items. This helps you understand when order lines need to be split and how refund amounts are calculated for partial returns.
- [How to add a Promo Code into a Campaign](https://help.maestra.io/loyalty/how-to-add-a-promo-code-into-a-campaign.md)
- [How to Import Promo Codes into a Project](https://help.maestra.io/loyalty/how-to-import-promo-codes-into-a-project.md)
- [How to Manually Issue Promo Codes from the Pool Using Filters](https://help.maestra.io/loyalty/how-to-manually-issue-promo-codes-from-the-pool-using-filters.md)
- [Creating an In-app Message](https://help.maestra.io/mobile-app-personalization/creating-an-in-app-message.md)
- [Free In-App to Collect Subscriptions to Push Notifications](https://help.maestra.io/mobile-app-personalization/free-in-app-to-collect-subscriptions-to-push-notifications.md)
- [Guidelines for Coding Pop-ups and Embedded Forms](https://help.maestra.io/personalization/pop-up-forms-and-embedded-blocks/guidelines-for-coding-pop-ups-and-embedded-forms.md)
- [How to Create Embedded Form](https://help.maestra.io/personalization/pop-up-forms-and-embedded-blocks/how-to-create-embedded-form.md)
- [How to Create Pop-ups](https://help.maestra.io/personalization/pop-up-forms-and-embedded-blocks/how-to-create-pop-ups.md)
- [Types of Product Recommendation Presets](https://help.maestra.io/personalization/product-recommendation/types-of-product-recommendation-presets.md)
- [Analytics with AI Assistant](https://help.maestra.io/reports/analytics-with-ai-assistant.md)
- [Attribution model](https://help.maestra.io/reports/attribution-model.md)
- [Campaigns Report](https://help.maestra.io/reports/campaigns-report.md)
- [Customer Lifecycle Segmentation & Smart Engagement Strategies](https://help.maestra.io/reports/customer-lifecycle-segmentation-smart-engagement-strategies.md)
- [Goals](https://help.maestra.io/reports/goals.md)
- [Promotions Report](https://help.maestra.io/reports/promotions-report.md)
- [Revenue & Drivers Report](https://help.maestra.io/reports/revenue-drivers-report.md)
- [Advanced security](https://help.maestra.io/security/advanced-security.md)
- [How Two-Factor Authentication Works](https://help.maestra.io/security/how-two-factor-authentication-works.md)
- [Passkey FAQ](https://help.maestra.io/security/passkeys/passkey-faq.md)
- [Passkey login administration and setup](https://help.maestra.io/security/passkeys/passkey-login-administration-and-setup.md)
- [What are passkeys?](https://help.maestra.io/security/passkeys/what-are-passkeys.md)
- [Single Sign-On (SSO)](https://help.maestra.io/security/single-sign-on-sso.md)
- [Staff session duration](https://help.maestra.io/security/staff-session-duration.md)
- [How Does RFM Segmentation Work?](https://help.maestra.io/segments/how-does-rfm-segmentation-work.md)
- [How to Add Customers into a Static Segment using UI](https://help.maestra.io/segments/how-to-add-customers-into-a-static-segment-using-ui.md)
- [How to Create a Static Customer Segment](https://help.maestra.io/segments/how-to-create-a-static-customer-segment.md)
- [How to Filter Customers into Segments](https://help.maestra.io/segments/how-to-filter-customers-into-segments.md)
- [Types of Customer Segments](https://help.maestra.io/segments/types-of-customer-segments.md)
- [What to Do If You Cannot Update a Segment](https://help.maestra.io/segments/what-to-do-if-you-cannot-update-a-segment.md)