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Get keyset from map

Function: Get Keys from a Collection​

This action helps you extract all the unique labels (or "keys") from a collection of data. Imagine you have a list of items, and each item has a unique name or identifier associated with it. This action gathers all those names into a simple list.

For example, if you have a collection of customer records where each record is identified by a "Customer ID", this action will give you a list of all the "Customer IDs".

Input​

  • Map: This is the collection of labeled items you want to process. Each item in this collection has a unique label (key) and an associated value.

Output​

  • Result: A list containing all the unique labels (keys) that were found in your input collection.

Execution Flow​

Real-Life Examples​

Here are some ways you can use the "Get Keys from a Collection" action in your applications:

Example 1: Listing Product Identifiers​

Imagine you have a collection of products in your inventory, where each product is stored with a unique Product ID as its label. You want to get a simple list of all these Product IDs.

  • Inputs:
    • Map: A collection representing your product inventory. 
      \{
        "PROD-001": \{ "name": "Laptop", "price": 1200 \},
        "PROD-002": \{ "name": "Mouse", "price": 25 \},
        "PROD-003": \{ "name": "Keyboard", "price": 75 \}
      \}
  • Result: A list containing all the product identifiers. 
    [
      "PROD-001",
      "PROD-002",
      "PROD-003"
    ]

Example 2: Identifying Submitted Form Fields​

When a user submits a form, the data often comes as a collection where each form field has a name (like "firstName", "email") and the user's input as its value. You might want to get a list of all the fields that were part of the submission.

  • Inputs:
    • Map: A collection representing a submitted contact form. 
      \{
        "firstName": "Alice",
        "lastName": "Smith",
        "email": "[email protected]",
        "message": "Hello!"
      \}
  • Result: A list of all the field names from the form. 
    [
      "firstName",
      "lastName",
      "email",
      "message"
    ]

Example 3: Checking Available Configuration Options​

Suppose your application stores various configuration settings as a collection, where each setting has a unique name (e.g., "theme", "language", "notifications"). You want to display a list of all available configuration options to an administrator.

  • Inputs:
    • Map: A collection of application settings. 
      \{
        "theme": "dark",
        "language": "en-US",
        "notificationsEnabled": true,
        "timezone": "UTC"
      \}
  • Result: A list of all the configuration setting names. 
    [
      "theme",
      "language",
      "notificationsEnabled",
      "timezone"
    ]