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| Parameter | Description | Required |
| njExternalLeadId | A reference, account number or the like taken from the external data source. Also used to identify lead when updates are made. | No |
| njCallBackDate | The date and time on which the lead is to be called. If not specified the lead is treated as a 'new' lead and will be called on a first come first served basis. Format is "yyyy/MM/dd HH:mm". Note that when setting a call back date the time is treated as being in the Contact Hours timezone. If you want to inject a lead to be dialed immediately then you need to convert the current time to the contact hours time. Noojee Contact will normally be configured so the 'system time' is in the timezone where the main team is located. | No |
| njPriority | A priority between 0 and 100. The lower the number the higher the priority. Higher priority leads will be called before lower priority calls. Default priority is 10. | No |
| njContactHours | Sets the Contact Hours for the lead. If not passed the lead will default to the Campaign Templates default Contact Hours. | No |
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