API: Query Filter Instance Schema
A QueryFilterInstanceSchema is a Schema specifically for describing QueryFilterInstances. Because the behaviour of FilterInstances, with regards to the values property, differs from one another depending on the chosen Filter, the QueryFilterInstanceSchema explicitly lists the dependencies in its _dependencies property. As the property causing the difference is the selected Filter, that property is linked. Apart from that, a QueryFilterInstanceSchema has the same structure a Schema does.
Linked Properties
| Link | Description | Type | Constraints | Supported operations | 
|---|---|---|---|---|
| self | This QueryFilterInstanceSchema (same as for schema) | QueryFilterInstanceSchema | not null | READ | 
| filter | The filter for which this schema is specific | Filter | not null | READ | 
Local Properties
| Property | Description | Type | Constraints | Supported operations | 
|---|---|---|---|---|
| name | Describes the name attribute | Field schema | not null | READ | 
| filter | QuerySortBy name | Field schema | not null | READ | 
Methods
List query filter instance schemas for project
Returns the list of QueryFilterInstanceSchemas defined for a query of the specified project.
 id
 integer 
required path
Project id
Example:1
200
OK
{
  "_embedded": {
    "elements": [
      {
        "_dependencies": [
          {
            "_type": "SchemaDependency",
            "dependencies": {
              "/api/v3/queries/operators/!": {
                "values": {
                  "_links": {},
                  "hasDefault": false,
                  "name": "Values",
                  "required": true,
                  "type": "[]User",
                  "writable": true
                }
              },
              "/api/v3/queries/operators/!*": {},
              "/api/v3/queries/operators/*": {},
              "/api/v3/queries/operators/=": {
                "values": {
                  "_links": {},
                  "hasDefault": false,
                  "name": "Values",
                  "required": true,
                  "type": "[]User",
                  "writable": true
                }
              }
            },
            "on": "operator"
          }
        ],
        "_links": {
          "filter": {
            "href": "/api/v3/queries/filters/assignee",
            "title": "Assignee"
          },
          "self": {
            "href": "/api/v3/queries/filter_instance_schemas/assignee"
          }
        },
        "_type": "QueryFilterInstanceSchema",
        "filter": {
          "_links": {},
          "hasDefault": false,
          "name": "Filter",
          "required": true,
          "type": "QueryFilter",
          "writable": true
        },
        "name": {
          "hasDefault": true,
          "name": "Name",
          "required": true,
          "type": "String",
          "writable": false
        }
      },
      {
        "_dependencies": [
          {
            "_type": "SchemaDependency",
            "dependencies": {
              "/api/v3/queries/operators/!": {
                "values": {
                  "_links": {},
                  "hasDefault": false,
                  "name": "Values",
                  "required": true,
                  "type": "[]User",
                  "writable": true
                }
              },
              "/api/v3/queries/operators/=": {
                "values": {
                  "_links": {},
                  "hasDefault": false,
                  "name": "Values",
                  "required": true,
                  "type": "[]User",
                  "writable": true
                }
              }
            },
            "on": "operator"
          }
        ],
        "_links": {
          "filter": {
            "href": "/api/v3/queries/filters/author",
            "title": "Author"
          },
          "self": {
            "href": "/api/v3/queries/filter_instance_schemas/author"
          }
        },
        "_type": "QueryFilterInstanceSchema",
        "filter": {
          "_links": {},
          "hasDefault": false,
          "name": "Filter",
          "required": true,
          "type": "QueryFilter",
          "writable": true
        },
        "name": {
          "hasDefault": true,
          "name": "Name",
          "required": true,
          "type": "String",
          "writable": false
        }
      }
    ]
  },
  "_links": {
    "self": {
      "href": "/api/v3/projects/42/queries/filter_instance_schemas"
    }
  },
  "_type": "Collection",
  "count": 2,
  "total": 2
}
Query_Filter_Instance_Schemas_For_ProjectModel{
  "type": "object",
  "example": {
    "_type": "Collection",
    "total": 2,
    "count": 2,
    "_embedded": {
      "elements": [
        {
          "_type": "QueryFilterInstanceSchema",
          "_dependencies": [
            {
              "_type": "SchemaDependency",
              "on": "operator",
              "dependencies": {
                "/api/v3/queries/operators/=": {
                  "values": {
                    "type": "[]User",
                    "name": "Values",
                    "required": true,
                    "hasDefault": false,
                    "writable": true,
                    "_links": {}
                  }
                },
                "/api/v3/queries/operators/!": {
                  "values": {
                    "type": "[]User",
                    "name": "Values",
                    "required": true,
                    "hasDefault": false,
                    "writable": true,
                    "_links": {}
                  }
                },
                "/api/v3/queries/operators/!*": {},
                "/api/v3/queries/operators/*": {}
              }
            }
          ],
          "name": {
            "type": "String",
            "name": "Name",
            "required": true,
            "hasDefault": true,
            "writable": false
          },
          "filter": {
            "type": "QueryFilter",
            "name": "Filter",
            "required": true,
            "hasDefault": false,
            "writable": true,
            "_links": {}
          },
          "_links": {
            "self": {
              "href": "/api/v3/queries/filter_instance_schemas/assignee"
            },
            "filter": {
              "href": "/api/v3/queries/filters/assignee",
              "title": "Assignee"
            }
          }
        },
        {
          "_type": "QueryFilterInstanceSchema",
          "_dependencies": [
            {
              "_type": "SchemaDependency",
              "on": "operator",
              "dependencies": {
                "/api/v3/queries/operators/=": {
                  "values": {
                    "type": "[]User",
                    "name": "Values",
                    "required": true,
                    "hasDefault": false,
                    "writable": true,
                    "_links": {}
                  }
                },
                "/api/v3/queries/operators/!": {
                  "values": {
                    "type": "[]User",
                    "name": "Values",
                    "required": true,
                    "hasDefault": false,
                    "writable": true,
                    "_links": {}
                  }
                }
              }
            }
          ],
          "name": {
            "type": "String",
            "name": "Name",
            "required": true,
            "hasDefault": true,
            "writable": false
          },
          "filter": {
            "type": "QueryFilter",
            "name": "Filter",
            "required": true,
            "hasDefault": false,
            "writable": true,
            "_links": {}
          },
          "_links": {
            "self": {
              "href": "/api/v3/queries/filter_instance_schemas/author"
            },
            "filter": {
              "href": "/api/v3/queries/filters/author",
              "title": "Author"
            }
          }
        }
      ]
    },
    "_links": {
      "self": {
        "href": "/api/v3/projects/42/queries/filter_instance_schemas"
      }
    }
  }
}
403
Returned if the client does not have sufficient permissions to see it.
Required permission: view work package in any project
{
  "_type": "Error",
  "errorIdentifier": "urn:openproject-org:api:v3:errors:Unauthenticated",
  "message": "You are not authorized to access this resource."
}
ErrorResponse{
  "type": "object",
  "required": [
    "_type",
    "errorIdentifier",
    "message"
  ],
  "properties": {
    "_embedded": {
      "type": "object",
      "properties": {
        "details": {
          "type": "object",
          "properties": {
            "attribute": {
              "type": "string",
              "example": "project"
            }
          }
        }
      }
    },
    "_type": {
      "type": "string",
      "enum": [
        "Error"
      ]
    },
    "errorIdentifier": {
      "type": "string",
      "example": "urn:openproject-org:api:v3:errors:PropertyConstraintViolation"
    },
    "message": {
      "type": "string",
      "example": "Project can't be blank."
    }
  }
}
List query filter instance schemas
Returns the list of QueryFilterInstanceSchemas defined for a global query. That is a query not assigned to a project.
200
OK
{
  "_embedded": {
    "elements": [
      {
        "_dependencies": [
          {
            "_type": "SchemaDependency",
            "dependencies": {
              "/api/v3/queries/operators/!": {
                "values": {
                  "_links": {},
                  "hasDefault": false,
                  "name": "Values",
                  "required": true,
                  "type": "[]User",
                  "writable": true
                }
              },
              "/api/v3/queries/operators/!*": {},
              "/api/v3/queries/operators/*": {},
              "/api/v3/queries/operators/=": {
                "values": {
                  "_links": {},
                  "hasDefault": false,
                  "name": "Values",
                  "required": true,
                  "type": "[]User",
                  "writable": true
                }
              }
            },
            "on": "operator"
          }
        ],
        "_links": {
          "filter": {
            "href": "/api/v3/queries/filters/assignee",
            "title": "Assignee"
          },
          "self": {
            "href": "/api/v3/queries/filter_instance_schemas/assignee"
          }
        },
        "_type": "QueryFilterInstanceSchema",
        "filter": {
          "_links": {},
          "hasDefault": false,
          "name": "Filter",
          "required": true,
          "type": "QueryFilter",
          "writable": true
        },
        "name": {
          "hasDefault": true,
          "name": "Name",
          "required": true,
          "type": "String",
          "writable": false
        }
      },
      {
        "_dependencies": [
          {
            "_type": "SchemaDependency",
            "dependencies": {
              "/api/v3/queries/operators/!": {
                "values": {
                  "_links": {},
                  "hasDefault": false,
                  "name": "Values",
                  "required": true,
                  "type": "[]User",
                  "writable": true
                }
              },
              "/api/v3/queries/operators/=": {
                "values": {
                  "_links": {},
                  "hasDefault": false,
                  "name": "Values",
                  "required": true,
                  "type": "[]User",
                  "writable": true
                }
              }
            },
            "on": "operator"
          }
        ],
        "_links": {
          "filter": {
            "href": "/api/v3/queries/filters/author",
            "title": "Author"
          },
          "self": {
            "href": "/api/v3/queries/filter_instance_schemas/author"
          }
        },
        "_type": "QueryFilterInstanceSchema",
        "filter": {
          "_links": {},
          "hasDefault": false,
          "name": "Filter",
          "required": true,
          "type": "QueryFilter",
          "writable": true
        },
        "name": {
          "hasDefault": true,
          "name": "Name",
          "required": true,
          "type": "String",
          "writable": false
        }
      }
    ]
  },
  "_links": {
    "self": {
      "href": "/api/v3/queries/filter_instance_schemas"
    }
  },
  "_type": "Collection",
  "count": 2,
  "total": 2
}
Query_Filter_Instance_SchemasModel{
  "type": "object",
  "example": {
    "_type": "Collection",
    "total": 2,
    "count": 2,
    "_embedded": {
      "elements": [
        {
          "_type": "QueryFilterInstanceSchema",
          "_dependencies": [
            {
              "_type": "SchemaDependency",
              "on": "operator",
              "dependencies": {
                "/api/v3/queries/operators/=": {
                  "values": {
                    "type": "[]User",
                    "name": "Values",
                    "required": true,
                    "hasDefault": false,
                    "writable": true,
                    "_links": {}
                  }
                },
                "/api/v3/queries/operators/!": {
                  "values": {
                    "type": "[]User",
                    "name": "Values",
                    "required": true,
                    "hasDefault": false,
                    "writable": true,
                    "_links": {}
                  }
                },
                "/api/v3/queries/operators/!*": {},
                "/api/v3/queries/operators/*": {}
              }
            }
          ],
          "name": {
            "type": "String",
            "name": "Name",
            "required": true,
            "hasDefault": true,
            "writable": false
          },
          "filter": {
            "type": "QueryFilter",
            "name": "Filter",
            "required": true,
            "hasDefault": false,
            "writable": true,
            "_links": {}
          },
          "_links": {
            "self": {
              "href": "/api/v3/queries/filter_instance_schemas/assignee"
            },
            "filter": {
              "href": "/api/v3/queries/filters/assignee",
              "title": "Assignee"
            }
          }
        },
        {
          "_type": "QueryFilterInstanceSchema",
          "_dependencies": [
            {
              "_type": "SchemaDependency",
              "on": "operator",
              "dependencies": {
                "/api/v3/queries/operators/=": {
                  "values": {
                    "type": "[]User",
                    "name": "Values",
                    "required": true,
                    "hasDefault": false,
                    "writable": true,
                    "_links": {}
                  }
                },
                "/api/v3/queries/operators/!": {
                  "values": {
                    "type": "[]User",
                    "name": "Values",
                    "required": true,
                    "hasDefault": false,
                    "writable": true,
                    "_links": {}
                  }
                }
              }
            }
          ],
          "name": {
            "type": "String",
            "name": "Name",
            "required": true,
            "hasDefault": true,
            "writable": false
          },
          "filter": {
            "type": "QueryFilter",
            "name": "Filter",
            "required": true,
            "hasDefault": false,
            "writable": true,
            "_links": {}
          },
          "_links": {
            "self": {
              "href": "/api/v3/queries/filter_instance_schemas/author"
            },
            "filter": {
              "href": "/api/v3/queries/filters/author",
              "title": "Author"
            }
          }
        }
      ]
    },
    "_links": {
      "self": {
        "href": "/api/v3/queries/filter_instance_schemas"
      }
    }
  }
}
403
Returned if the client does not have sufficient permissions to see it.
Required permission: view work package in any project
{
  "_type": "Error",
  "errorIdentifier": "urn:openproject-org:api:v3:errors:Unauthenticated",
  "message": "You are not authorized to access this resource."
}
ErrorResponse{
  "type": "object",
  "required": [
    "_type",
    "errorIdentifier",
    "message"
  ],
  "properties": {
    "_embedded": {
      "type": "object",
      "properties": {
        "details": {
          "type": "object",
          "properties": {
            "attribute": {
              "type": "string",
              "example": "project"
            }
          }
        }
      }
    },
    "_type": {
      "type": "string",
      "enum": [
        "Error"
      ]
    },
    "errorIdentifier": {
      "type": "string",
      "example": "urn:openproject-org:api:v3:errors:PropertyConstraintViolation"
    },
    "message": {
      "type": "string",
      "example": "Project can't be blank."
    }
  }
}
View query filter instance schema
Retrieve an individual QueryFilterInstanceSchema as identified by the id parameter.
 id
 string 
required path
QueryFilterInstanceSchema identifier. The identifier is the filter identifier.
Example:author
200
OK
{
  "_dependencies": [
    {
      "_type": "SchemaDependency",
      "dependencies": {
        "/api/v3/queries/operators/!": {
          "values": {
            "_links": {},
            "hasDefault": false,
            "name": "Values",
            "required": true,
            "type": "[]User",
            "writable": true
          }
        },
        "/api/v3/queries/operators/=": {
          "values": {
            "_links": {},
            "hasDefault": false,
            "name": "Values",
            "required": true,
            "type": "[]User",
            "writable": true
          }
        }
      },
      "on": "operator"
    }
  ],
  "_links": {
    "filter": {
      "href": "/api/v3/queries/filters/author",
      "title": "Author"
    },
    "self": {
      "href": "/api/v3/queries/filter_instance_schemas/author"
    }
  },
  "_type": "QueryFilterInstanceSchema",
  "filter": {
    "_links": {},
    "hasDefault": false,
    "name": "Filter",
    "required": true,
    "type": "QueryFilter",
    "writable": true
  },
  "name": {
    "hasDefault": true,
    "name": "Name",
    "required": true,
    "type": "String",
    "writable": false
  }
}
Query_Filter_Instance_SchemaModel{
  "type": "object",
  "required": [
    "name",
    "filter"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Describes the name attribute",
      "readOnly": true
    },
    "filter": {
      "type": "string",
      "description": "QuerySortBy name"
    },
    "_links": {
      "type": "object",
      "required": [
        "self",
        "filter"
      ],
      "properties": {
        "self": {
          "allOf": [
            {
              "$ref": "#/components/schemas/Link"
            },
            {
              "description": "This QueryFilterInstanceSchema (same as for schema)\n\n**Resource**: QueryFilterInstanceSchema",
              "readOnly": true
            }
          ]
        },
        "filter": {
          "allOf": [
            {
              "$ref": "#/components/schemas/Link"
            },
            {
              "description": "The filter for which this schema is specific\n\n**Resource**: Filter",
              "readOnly": true
            }
          ]
        }
      }
    }
  },
  "example": {
    "_type": "QueryFilterInstanceSchema",
    "_dependencies": [
      {
        "_type": "SchemaDependency",
        "on": "operator",
        "dependencies": {
          "/api/v3/queries/operators/=": {
            "values": {
              "type": "[]User",
              "name": "Values",
              "required": true,
              "hasDefault": false,
              "writable": true,
              "_links": {}
            }
          },
          "/api/v3/queries/operators/!": {
            "values": {
              "type": "[]User",
              "name": "Values",
              "required": true,
              "hasDefault": false,
              "writable": true,
              "_links": {}
            }
          }
        }
      }
    ],
    "name": {
      "type": "String",
      "name": "Name",
      "required": true,
      "hasDefault": true,
      "writable": false
    },
    "filter": {
      "type": "QueryFilter",
      "name": "Filter",
      "required": true,
      "hasDefault": false,
      "writable": true,
      "_links": {}
    },
    "_links": {
      "self": {
        "href": "/api/v3/queries/filter_instance_schemas/author"
      },
      "filter": {
        "href": "/api/v3/queries/filters/author",
        "title": "Author"
      }
    }
  }
}
403
Returned if the client does not have sufficient permissions to see it.
Required permission: view work package in any project
{
  "_type": "Error",
  "errorIdentifier": "urn:openproject-org:api:v3:errors:Unauthenticated",
  "message": "You are not authorized to access this resource."
}
ErrorResponse{
  "type": "object",
  "required": [
    "_type",
    "errorIdentifier",
    "message"
  ],
  "properties": {
    "_embedded": {
      "type": "object",
      "properties": {
        "details": {
          "type": "object",
          "properties": {
            "attribute": {
              "type": "string",
              "example": "project"
            }
          }
        }
      }
    },
    "_type": {
      "type": "string",
      "enum": [
        "Error"
      ]
    },
    "errorIdentifier": {
      "type": "string",
      "example": "urn:openproject-org:api:v3:errors:PropertyConstraintViolation"
    },
    "message": {
      "type": "string",
      "example": "Project can't be blank."
    }
  }
}
404
Returned if the QueryFilterInstanceSchema does not exist.
{
  "_type": "Error",
  "errorIdentifier": "urn:openproject-org:api:v3:errors:NotFound",
  "message": "The specified query does not exist."
}
ErrorResponse{
  "type": "object",
  "required": [
    "_type",
    "errorIdentifier",
    "message"
  ],
  "properties": {
    "_embedded": {
      "type": "object",
      "properties": {
        "details": {
          "type": "object",
          "properties": {
            "attribute": {
              "type": "string",
              "example": "project"
            }
          }
        }
      }
    },
    "_type": {
      "type": "string",
      "enum": [
        "Error"
      ]
    },
    "errorIdentifier": {
      "type": "string",
      "example": "urn:openproject-org:api:v3:errors:PropertyConstraintViolation"
    },
    "message": {
      "type": "string",
      "example": "Project can't be blank."
    }
  }
}