Get Value By Key Name¶
Description¶
This operation returns a value associated with a key.
Method¶
Backendless.Hive(hiveName).MapStore(keyName).getValue(key): Promise<value>;
where:
Argument | Description |
---|---|
hiveName |
Name of a hive where the operation is performed. String value. |
keyName |
Key name identifying a map. String value |
key |
Key name identifying a key-value pair. String value. |
Return Value¶
A value associated with the specified key. If the specified key does not exist, then null
is returned.
Example¶
The example below retrieves a value associated with the specified key 'Oranges'
from the 'fruitsPrice'
map.
await Backendless.Hive('groceryStore').MapStore('fruitsPrice').getValue('Oranges')
where:
Argument | Description |
---|---|
'groceryStore' |
Name of a hive where the operation is performed. |
'fruitsPrice' |
Key name identifying a map. |
Response Example
0.99
Codeless Reference
¶
where:
Argument | Description |
---|---|
hive name |
Name of a hive where the operation is performed. |
key name |
Key name identifying a map. |
object key name |
Key name identifying a key-value pair. |
Returns a value associated with the specified key.
Consider the following Map storage:
The example below retrieves a value of the key "Oranges"
from the "fruitsPrice"
map.