category

Field category search for Bloomberg Desktop connection V3

Since R2021a

Syntax

d = category(c,f)

Description

d = category(c,f) returns category information given the search term f using the Bloomberg^® Desktop C++ interface.

Examples

Search for Bloomberg Last Price Field

Create a Bloomberg connection, and then request the category description of the last price field.

Create the Bloomberg connection using the Bloomberg Desktop C++ interface.

c = bloomberg;

Return data as a table by setting the DataReturnFormat property of the bloomberg object. If you do not set this property, the category function returns data as a cell array.

c.DataReturnFormat = 'table';

Request the Bloomberg category description of the last price field.

f = 'LAST_PRICE';
d = category(c,f);

Display the first three rows of the Bloomberg category description data in d.

d(1:3,:)

ans =

  3×5 table

     CATEGORY       ID                   MNEMONIC                          DESCRIPTION               DATATYPE
    __________    _______    ________________________________    ________________________________    ________

    'Analysis'    'OP179'    'THETA_LAST'                        'Theta Last Price'                  'Double'
    'Analysis'    'VM048'    'DDMX_PERCENT_CHANGE_LAST_PRICE'    'DDMX Percent Change Last Price'    'Double'
    'Analysis'    'YL005'    'YLD_CNV_LAST'                      'Last Yield To Convention'          'Double'

The columns in d are:

• Category

• Field identifier

• Field mnemonic

• Field name

• Field data type

Close the Bloomberg connection.

close(c)

Input Arguments

c — Bloomberg connection

bloomberg object

Bloomberg connection, specified as a bloomberg object.

f — Search term

character vector | string scalar

Search term, specified as a character vector or string scalar to denote Bloomberg fields.

Data Types: char | string

Output Arguments

d — Category data

cell array (default) | structure | table

Category data, returned as an N-by-5 cell array, a structure, or a table.

The columns (or fields) of the data types are:

• Category

• Field identifier

• Field mnemonic

• Field name

• Field data type

The data type of the category data depends on the DataReturnFormat property of the connection object.

Version History

Introduced in R2021a