# Create or update a data source for a patient

Internal endpoint to upsert patient data source provider details in all their associated clinic records.

Endpoint: PUT /v1/patients/{userId}/data_sources
Version: 1.0
Security: sessionToken

## Path parameters:

  - `userId` (string, required)
    String representation of a Tidepool User ID. Old style IDs are 10-digit strings consisting of only hexadeximcal digits. New style IDs are 36-digit UUID v4)

## Request fields (application/json):

  - `state` (string, required)
    Enum: "pending", "pendingReconnect", "connected", "disconnected", "error"

  - `providerName` (string, required)
    Example: "dexcom"

  - `modifiedTime` (string)
    [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) / [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html) timestamp _with_ timezone information
    Example: "2017-02-06T02:37:46Z"

  - `expirationTime` (string)
    [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) / [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html) timestamp _with_ timezone information
    Example: "2017-02-06T02:37:46Z"