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Roles object (TMSL)

Applies to: SQL Server 2016 and later Analysis Services Azure Analysis Services Fabric/Power BI Premium

Defines a role on the model that specifies a collection of permissions. Role membership consists of Windows security principals. You can set filters on a role to restrict access to specific objects.

Object definition

All objects have a common set of properties, including name, type, description, a properties collection, and annotations. Role objects also have the following properties.

modelPermission
Establishes a scope of permissions on a database. Valid values are none,
read,
readRefresh,
refresh,
and administrator.

members
Members consist of both a member name and ID, where member name is the alias or friendly name of a Windows security principal, and the ID is the security identifier. Both are specified in role definition.

tablePermissions
A table permission is a named object with permissions defined via a DAX expression. This property is optional, used to apply a security filter.

Usage

Role objects are used in Alter command (TMSL), Create command (TMSL), CreateOrReplace command (TMSL), and Delete command (TMSL).

A Role object is a property of a Model, but can also be specified as a property of a Database object given the one-to-one mapping between Model and Database.

When creating, replacing, or altering a role object, specify all read-write properties of the object definition. Omission of a read-write property is considered a deletion.

Full Syntax

Below is the schema representation of a role object of a model.

"roles": {  
          "type": "array",  
          "items": {  
            "description": "ModelRole object of Tabular Object Model (TOM)",  
            "type": "object",  
            "properties": {  
              "name": {  
                "type": "string"  
              },  
              "description": {  
                "anyOf": [  
                  {  
                    "type": "string"  
                  },  
                  {  
                    "type": "array",  
                    "items": {  
                      "type": "string"  
                    }  
                  }  
                ]  
              },  
              "modelPermission": {  
                "enum": [  
                  "none",  
                  "read",  
                  "readRefresh",  
                  "refresh",  
                  "administrator"  
                ]  
              },  
              "annotations": {  
                "type": "array",  
                "items": {  
                  "description": "Annotation object of Tabular Object Model (TOM)",  
                  "type": "object",  
                  "properties": {  
                    "name": {  
                      "type": "string"  
                    },  
                    "value": {  
                      "anyOf": [  
                        {  
                          "type": "string"  
                        },  
                        {  
                          "type": "array",  
                          "items": {  
                            "type": "string"  
                          }  
                        }  
                      ]  
                    }  
                  },  
                  "additionalProperties": false  
                }  
              },  
              "members": {  
                "type": "array",  
                "items": {  
                  "anyOf": [  
                    {  
                      "description": "WindowsModelRoleMember object of Tabular Object Model (TOM)",  
                      "type": "object",  
                      "properties": {  
                        "memberName": {  
                          "type": "string"  
                        },  
                        "memberId": {  
                          "type": "string"  
                        },  
                        "annotations": {  
                          "type": "array",  
                          "items": {  
                            "description": "Annotation object of Tabular Object Model (TOM)",  
                            "type": "object",  
                            "properties": {  
                              "name": {  
                                "type": "string"  
                              },  
                              "value": {  
                                "anyOf": [  
                                  {  
                                    "type": "string"  
                                  },  
                                  {  
                                    "type": "array",  
                                    "items": {  
                                      "type": "string"  
                                    }  
                                  }  
                                ]  
                              }  
                            },  
                            "additionalProperties": false  
                          }  
                        }  
                      },  
                      "additionalProperties": false  
                    },  
                    {  
                      "description": "ExternalModelRoleMember object of Tabular Object Model (TOM)",  
                      "type": "object",  
                      "properties": {  
                        "memberName": {  
                          "type": "string"  
                        },  
                        "memberId": {  
                          "type": "string"  
                        },  
                        "identityProvider": {  
                          "type": "string"  
                        },  
                        "memberType": {  
                          "enum": [  
                            "auto",  
                            "user",  
                            "group"  
                          ]  
                        },  
                        "annotations": {  
                          "type": "array",  
                          "items": {  
                            "description": "Annotation object of Tabular Object Model (TOM)",  
                            "type": "object",  
                            "properties": {  
                              "name": {  
                                "type": "string"  
                              },  
                              "value": {  
                                "anyOf": [  
                                  {  
                                    "type": "string"  
                                  },  
                                  {  
                                    "type": "array",  
                                    "items": {  
                                      "type": "string"  
                                    }  
                                  }  
                                ]  
                              }  
                            },  
                            "additionalProperties": false  
                          }  
                        }  
                      },  
                      "additionalProperties": false  
                    }  
                  ]  
                }  
              },  
              "tablePermissions": {  
                "type": "array",  
                "items": {  
                  "description": "TablePermission object of Tabular Object Model (TOM)",  
                  "type": "object",  
                  "properties": {  
                    "name": {  
                      "type": "string"  
                    },  
                    "filterExpression": {  
                      "anyOf": [  
                        {  
                          "type": "string"  
                        },  
                        {  
                          "type": "array",  
                          "items": {  
                            "type": "string"  
                          }  
                        }  
                      ]  
                    },  
                    "annotations": {  
                      "type": "array",  
                      "items": {  
                        "description": "Annotation object of Tabular Object Model (TOM)",  
                        "type": "object",  
                        "properties": {  
                          "name": {  
                            "type": "string"  
                          },  
                          "value": {  
                            "anyOf": [  
                              {  
                                "type": "string"  
                              },  
                              {  
                                "type": "array",  
                                "items": {  
                                  "type": "string"  
                                }  
                              }  
                            ]  
                          }  
                        },  
                        "additionalProperties": false  
                      }  
                    }  
                  },  
                  "additionalProperties": false  
                }  
              }  
            },  
            "additionalProperties": false  
          }  
        }