46 lines
1.8 KiB
Plaintext
46 lines
1.8 KiB
Plaintext
---
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title: Contacts
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description: Manage and organize your contacts effectively
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icon: Users
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---
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Contacts in Plunk represent an individual email recipient. Each contact has an identifier and is linked to an email address.
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## Adding contacts
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Contacts can be added to your Plunk project in several ways:
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- Using [/v1/track](/api-reference/public-api/trackEvent), when tracking an event for a contact that does not yet exist, Plunk will automatically create it.
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- Using [/contacts](/api-reference/contacts/createContact), to create a single contact.
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- Import through CSV
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- Manually through the dashboard
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## Contact Data
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You can associate custom data with each contact using key-value pairs. This data can be used for segmentation and personalization.
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### Data types
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Contact data types are inferred based on the value provided:
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| Type | Description |
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|------|-------------|
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| String | Any text value |
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| Number | Numeric values, including integers and floats |
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| Boolean | True or false values |
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| Date | Date values in ISO 8601 format |
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<Callout
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title="Default data type"
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variant="idea">
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If you accidentally mix data types for a specific key, Plunk will default to treating the value as a string.
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</Callout>
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### Reserved keys
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Certain keys are reserved by the system and automatically set by Plunk:
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| Key | Description |
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|-----|-------------|
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| email | The contact's email address |
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| createdAt | Timestamp of when the contact was created |
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| updatedAt | Timestamp of the last update to the contact |
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| subscribed | Boolean indicating if the contact is globally subscribed or not |
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### Special keys
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| Key | Description |
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|-----|-------------|
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| locale | The contact's preferred locale in ISO 639 (e.g. 'en', 'fr', 'es'). Specifying the locale field on a contact will override the project-wide locale for contact-facing pages and email footers | |