# Inviting Participants

There are 2 ways that you can get participants to complete the research study:

**1. By sharing a WhatsApp link**: When clicked will open WhatsApp to your research number and pre-populate the textbox with a phrase that will initiate the research

{% content-ref url="/pages/DI18Mc94sjdMxQ6ocD6n" %}
[Participant Access via Link](/participant-access-and-invitations-to-research/participant-access-via-link.md)
{% endcontent-ref %}

**2. Bulk message:** Or inviting them in WhatsApp via a Template message (bulk invite) of 1,000 participants per 24 hours.

{% content-ref url="/pages/STJHwYYeF4wnZ8gpJ2Bl" %}
[Create Broadcast/Template Message](/participant-access-and-invitations-to-research/create-broadcast-template-message.md)
{% endcontent-ref %}

{% content-ref url="/pages/tDvQSgRMDuLPpsky5SSz" %}
[Send  Broadcast/Template Message](/participant-access-and-invitations-to-research/send-broadcast-template-message.md)
{% endcontent-ref %}

### 💎 NB Summary 💎

1. Button = Passcode. The button must be equal to the Passcode (the Campaign name) that relates to the survey you are using the Template to invite people to. The buttons are automatically configured by our system. For the body of the message, we insert a suggested message and recommend you keep it similar to its current layout.
2. Type of Template: For survey invitations, select the Marketing type. For payment notifications, select the Utility type. Utility is cheaper than
3. Dynamic placeholders. To personalise the message, insert dynamic placeholders into the message, e.g. {{1}}. They can only be inserted in the body of the message → We only support dynamic fields in the body.
4. Approval: WhatsApp message templates must be submitted to WhatsApp for approval before use. This usually takes between 1 - 3 days.


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