# BooleanEntry
BooleanEntry is a structure that sets key and value of the account data storage boolean entry. Adding or changing an entry is performed only if the structure is included in the callable function result.
# Constructor
BooleanEntry(key: String, value: Boolean)
# Fields
| # | Name | Data type | Description |
|---|---|---|---|
| 1 | key | String | Entry key. The maximum size is 400 bytes (1 character can take up to 4 bytes) |
| 2 | value | Boolean | Entry value |
Limitations on the total number of script actions and the total size of data entries are given in the Limitations article.