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Coach OS Mailer & Communications Index

This article provides a comprehensive guide to configuring, triggering, and customising Coach OS mailers to support communications across Momenta and Coach-led journeys. These mailers keep participants and coaches informed before, during, and after a journey.


Introduction & Purpose

This page provides an overview of communication mailers available via Coach OS, including their triggers, usage scenarios, and guidance on how to customise them. Mailers include invitations, reminders, cancellation notices, and new content alerts. Coaches can also send messages directly to their coachees, which appear to come from the coach personally.


Coach OS Standard Mailers

  • Coach OS offers standardised mailers linked to programme elements such as 1-1s, pods, and content.
  • See full list (with translations): Default Mailer Details.
  • When setting up a project or cohort, you configure which mailers will be triggered.
  • Familiarise yourself with each mailer’s trigger before enabling.
  • Mailers can be sent automatically or pushed manually with “Send Now”.
  • If needed, wording/content can be customised via Manage Custom Mailers.


When Momenta is the Front End

  • If Momenta is the participant-facing UI, disable the Welcome section mailers:
    • Welcome New Coachee
    • New User Confirmation
    • Email Changed Confirmation Instructions
  • These are not needed and may confuse participants.
  • Check legacy programmes (pre-2023), where defaults may still be ticked.
  • Review the Engagement Reminder mailer, which can cause confusion if coaching is delayed in Momenta journeys.
  • For dynamic comms planning across systems, see Set up notifications for your journey.
  • MyPageURL token: pulls in the correct client-specific Momenta URL for rebooking instructions.


Customising Your Mailers

  1. Navigate to the applicable Company / Project / Cohort in Coach OS.
  2. Click the gear icon > Manage Custom Mailers.
  3. Select Create, then choose the mailer and language.
  4. Edit the populated text, adjusting tone and content to suit the programme.
  5. Save your changes.

Note: Cohort-level custom mailers override project-level; project-level override company-level.


Features of Custom Mailers

  • Preview the mailer before publishing.
  • Add/remove anchors (tokens) using the Insert Template option.
  • Edit the “From” email address to an approved alternative.
  • Standard mailers send from noreply@btscoach.com or appear from the coach.


Index: Coach Standard Mailers & Triggers

A full reference table of standard mailers, their subject lines, and trigger conditions.


Mailer typeSubjectSend conditions
AutomatedPodCancellationCoacheeNotificationYour upcoming pod session has been cancelledSent to Coachee when a pod is cancelled or rebooked. Sent within the hour if the pod is underpopulated and hits the cancellation deadline. Addressed from the Coach, if on Changr pathway. Otherwise, sent from BTS Coach System.
BookingReminderReminder: {{start_date}} BTS CoachingSent to remind Coachee of upcoming booking. Sent once, within the 48 hours before session. Addressed from the Coach.
BookingRemovalCoacheeNotificationSession cancelled for {{start_date}}Sent when a booking is removed for a Coachee. This includes when a Pathway is archived, a pod slot is changed, or a user leaves a pod or session. Sent instantly. Addressed from the Coach.
EmailChangedConfirmationInstructionsThere's something different about youSent to Coachee to confirm account email update. Sends instantly, or daily at 8am if done via delayed bulk upload. Addressed from BTS Coach System.
FeedbackQuestionnaireAt journey's end..Sent to Coachees to gather feedback. Sent instantly on completion of last session, and once more if unanswered after 2 weeks. Addressed from the Coach.
ManualPodCancellationCoacheeNotificationYour upcoming pod session has been cancelledSent to a Coachee when a pod is changed or cancelled manually. Sent instantly. Addressed from the Coach, if on Changr pathway. Otherwise, sent from BTS Coach System.
MissedBookingWe missed each other!Sent when Coach marks a Coachee as having missed a booking. Sends 5 minutes after attendance is processed or after booking is updated. Addressed from the Coach.
MissedBookingLimitReachedOh no - Missed Session Limit Reached!Sent instantly when a session is marked as 'Missed' and the missed booking limit has been reached - and all missed sessions are now Greyed out. Addressed from BTS Coach System.
MissedBookingLimitReminderYou missed a booking, don't run out of them!Sent when Coachee has missed a booking, but has not yet reached the rebooking limit. Sends 5 minutes after attendance is processed or Booking is otherwise updated. Addressed from the Coach.
NewBookingCoacheeNotificationI look forward to connecting on {{start_date}}Notifies Coachee when a new non-virtual session is booked. Sent instantly. Addressed from the Coach.
NewFlexibleContentNotificationI've added something NEW to your journey!Sent when an upcoming session contains new flexible content. Sends instantly. Addressed from the Coach.
NewPodBookingCoacheeNotificationI look forward to connecting on {{start_date}}Notifies Coachees of new non-virtual pod booking. Sent instantly to new participants for open pods, manually for closed pods. Addressed from the Coach.
NewUserConfirmationInstructionsNew BTS Journey - Let's get you set upSent to newly-created users so they can confirm their account. Can be disabled for external platform users. Addressed from BTS Coach.
NewWorkshopBookingCoacheeNotificationI look forward to connecting on {{start_date}}Notifies Coachees of new Pod (Workshop) booking. Sent instantly to new participants for open Workshop-type pods, manually for closed Workshop-type pods. Addressed from the Coach.
NextMaterialNotificationKeeping MomentumSent to notify Coachees of material in upcoming session. Sends instantly upon completion of previous session. Excludes Changr pathways. Addressed from the Coach.
PathwayEngagementReminderLet's get you booked with your coachSent 1 time per week for up to 3 weeks after a pathway's start date, if that pathway has seen no activity. Excludes Changr pathways. Addressed from Programme Manager.
PodBookingReminderReminder: {{start_date}} BTS Pod SessionNotifies Coachees of a upcoming pod session in a customizable amount of hours before that session. You can customize the hours by changing the cohort pod reminder period.
PodDetailsChangedNotificationThe details of your upcoming pod session have changedUNKNOWN: checking with Alex Piggott
PodGoingAheadCoacheeNotificationReminder: Your Pod Session is confirmed for {{start_date}}Sent to notify Coachees of a non-virtual pod going ahead. Sent within the hour once pod cancellation deadline has passed. Addressed from the Coach, or from BTS Coach System if Changr is involved.
PodMissedNotificationYou have not attended a Pod sessionSent when a Coachee is marked as missing a pod. Sent instantly. Addressed from the Coach, if on Changr pathway. Otherwise, sent from BTS Coach System.
RegistrationPurchaseConfirmationPurchase ConfirmationSent upon successful purchase of registration via Stripe. Sent instantly. Addressed from BTS Coach System.
ResetPasswordInstructionsReset password instructionsSent instantly when "Send Password Reset Email" is manually triggered from dropdown menu in platform. Addressed from BTS Coach System.
VirtualCallNotificationYou booked it! {{start_date}}Notifies Coachee when a new virtual session is booked. Sent instantly. Addressed from the Coach.
VirtualCallPodNotificationYou booked it! {{start_date}}Notifies Coachees of new virtual pod booking. Sent instantly to new participants for open pods, manually for closed pods. Addressed from the Coach.
VirtualCallWorkshopNotificationYou booked it! {{start_date}}Notifies Coachees of new virtual Pod (Workshop) booking. Sent instantly to new participants for open Workshop-type pods, manually for closed Workshop-type pods. Addressed from the Coach.
VirtualPodGoingAheadCoacheeNotificationReminder: Your Pod Session is confirmed for {{start_date}}Sent to notify Coachees of a virtual pod going ahead. Sent within the hour once pod cancellation deadline has passed. Addressed from the Coach, or from BTS Coach System if Changr is involved.
WelcomeNewCoacheeEmailWelcome to {{programme_name}} - Your journey begins nowWelcomes Coachee to a pathway. Sends instantly, or daily at 8am if done via delayed bulk upload. Addressed from the Coach.


Configure Mailers – Standard 1:1 Coaching

When Momenta is the front end, configure mailers on your Cohort Configuration page as follows:

  • Review triggers and ensure only relevant mailers are enabled.
  • Disable unnecessary Welcome or Engagement Reminder mailers.


Configure Mailers – Standard Pod Journey

When Momenta is the front end, configure Pod-related mailers on your Cohort Configuration page. See also the Coach OS – Pods Intro page for Pod comms plans.


Other Coach OS Mailers

Some mailers require updating when Momenta is the front end (see Visual Aids for reference screenshots).


Watchouts & Considerations

  • Legacy Programmes: Pre-2023 builds may still have default mailers ticked.
  • Dynamic Conditions: Avoid sending booking reminders before relevant elements unlock.
  • Custom Anchors: Use template fields (e.g., {{start_date}}, {{programme_name}}) carefully.
  • MyPage URL: Ensure no Coach OS mailers send MyPageURL tokens when Momenta is the front end.


Visual Aids

  • Momenta Front End - Mailer Setup


  • Custom Mailer Screenshots


  • Insert Template option & drop-down



  • Configuration example for 1:1 Journeys


  • Configuration Example for Standard Pod Journeys

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