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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
map_api_get_value_by_key_name

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:
map_apI_example_map_store_3

The example below retrieves a value of the key "Oranges" from the "fruitsPrice" map.

map_example_api_get_value_by_key_name