Retrieve a Customers data.
The ID of the Customer to retrieve.
FM_api('Customer_get', ['id' => '3']);
{"account_number":"","id":"1","name":"The Cafe","notes":"[]","email":"thecafe@hotmail.co.uk","last_edited":"2018-10-01 10:18:38","industry":"","parent_id":"-1","street_address1":"58 Milltown street","street_address2":"","town":"","county":"Down","postcode":"BT34 3PU","landline":"02841753979","mobile":"","contact_name":"Emily","cdate":"2018-09-19 11:52:56","created_by":"82878","custom_values":"[]","callback":null,"account_manager":"0","type":"","meta":null,"callback_notes":null,"latitude":"54.1276","longitude":"-6.26376","is_active":"1","city":"Newry","state":"","country":"GBR"}
