Update Purchase Order

This request updates a Purchase Order. Currently, changing the locationID that a PO belongs to is unsupported.

Parameter: vendorID, Type: Int, Required?: Optional, Description: The ID of the vendor that this PO will be associated with. Parameter: userID, Type: Int, Required?: Optional, Description: The ID of the user that this PO will be assigned to. Parameter: taskID, Type: Int, Required?: Optional, Description: The ID of the task that this PO will be associated with. Parameter: budgetID, Type: Int, Required?: Optional, Description: The ID of the budget that this PO will be associated with. Changing budgetID when the PO is past the setup phase (state 0) is not supported. Parameter: date, Type: Int, Required?: Optional, Description: The start time of the PO -- this can be in the past or the future and will still show up in the UI. Must be a unix timestamp. Parameter: expectedDate, Type: Int, Required?: Optional, Description: The expected delivery date of this PO. Must be a unix timestamp. Parameter: requestDescription, Type: String, Required?: Optional, Description: A description of the "request" for this PO. Parameter: customField1, Type: String, Required?: Optional, Description: PO custom field, the customer chooses which custom fields are available on all POs. Parameter: customField2, Type: String, Required?: Optional, Description: PO custom field, the customer chooses which custom fields are available on all POs. Parameter: customField3, Type: String, Required?: Optional, Description: PO custom field, the customer chooses which custom fields are available on all POs. Parameter: customField4, Type: String, Required?: Optional, Description: PO custom field, the customer chooses which custom fields are available on all POs. Parameter: customField5, Type: String, Required?: Optional, Description: PO custom field, the customer chooses which custom fields are available on all POs. Parameter: customField6, Type: String, Required?: Optional, Description: PO custom field, the customer chooses which custom fields are available on all POs.