containsKey
Table of Contents
Overview
The containsKey function checks if a specified key or an index value is present in a collection. It returns true if the key or the index is present in the collection. Otherwise, it returns false.
Note: This function performs a case sensitive search.
Return Type
- BOOLEAN
Syntax
To check if a key is present in a collection:
<variable> = <collectionVariable>.containsKey(<key>);
(OR)
To check if an index value is present in a collection:
<variable> = <collectionVariable>.containsKey(<index>);
where,
| Parameter | Data type | Description |
| <variable> | BOOLEAN | Variable which will hold the returned boolean value. |
| <collectionVariable> | COLLECTION | The variable in which the key or the index will be looked for. |
| <key> | TEXT/NUMBER/DECIMAL/DATE/BOOLEAN | The key to be searched for in the collection. |
| <index> | NUMBER | The index value to be searched for in the collection. |
Examples
productVersion = collection("Creator" : 5, "CRM" : 2, "Mail" : 8); info productVersion.containsKey("CRM"); // Returns true
productVersion = collection("Creator", "CRM", "Mail"); info productVersion.containsKey(3); // Returns false