Create M Partition

2023-02-28
Kurt Buhler

Applies to:

✔Tabular Editor 2.x
✔Tabular Editor 3.x

Script Purpose

If you want to create a new dynamic M Parameter to use in Power Query queries (M Partitions or Shared Expressions).

Script

Create a new M Partition

// This script creates a new M parameter in the 'Shared Expressions' of a model.
//
// Create a new shared expression called "New Parameter"
Model.AddExpression( 
    "New Parameter", 
    @"
""Parameter Text"" meta
[
	IsParameterQuery = true,
	IsParameterQueryRequired = true,
	Type = type text
]"
);

// Provides an output informing how to configure and use the parameter
Info ( 
    "Created a new Shared Expression called 'New Parameter', which is an M Parameter template." + 
    "\n------------------------------------------------------\n" + 
    "To configure:" +
    "\n------------------------------------------------------\n    " + 
    "1. Replace the text 'New Parameter' with the desired parameter value\n    " +
    "2. Set the data type appropriately\n    " +
    "3. Replace any values found in the M partitions with the parameter reference." );

Explanation

This snippet creates a new M parameter in 'Shared Expressions' which you can refer to from within your M Partitions Power Query.

Example Output