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Function properties

Function properties can be declared in .yml files under a functions key.

We recommend that you put them in the functions/ directory. You can name these files schema.yml or whatever_you_want.yml, and nest them in subfolders within that directory.

functions/<filename>.yml
version: 2

functions:
  - name: <string> # required
    description: <markdown_string> # optional
    type: scalar  # optional, defaults to scalar. Eventually will include aggregate | table
    config: # optional
      <function_config>: <config_value>
      docs:
        show: true | false
        node_color: <color_id> # Use name (such as node_color: purple) or hex code with quotes (such as node_color: "#cd7f32")
    arguments: # optional
      - name: <string> # required if arguments is specified
        data_type: <string> # required if arguments is specified, warehouse-specific
        description: <markdown_string> # optional
      - name: ... # declare additional arguments
    returns: # required
      data_type: <string> # required, warehouse-specific
      description: <markdown_string> # optional

  - name: ... # declare properties of additional functions

Example​

functions/schema.yml
version: 2

functions:
  - name: is_positive_int
    description: Determines if a string represents a positive (+) integer
    type: scalar
    config:
      database: analytics
      schema: udf_schema
    arguments:
      - name: a_string
        data_type: string
        description: The string that I want to check if it's representing a positive integer (like "10")
    returns:
      data_type: boolean
      description: Returns true if the input string represents a positive integer, false otherwise

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