Data structures supported by Mobile Channels are described in the following table.
| Data structure | Description |
| Variable | Elemental data structure of the simple data types. Variable names are alphanumeric and must start with an alphabetical character. The underscore character can be used, but not as the leading character. Variable names cannot be exceed 255 characters. |
| Array | An ordered collection with numeric keys. The index counts from zero (0). For example:
The method, Array.Count, returns the total number of elements in the array. |