# Functions in Formula Expressions

### From AT&T Support Wiki

Functions in Formula Expressions (Redirected from Formula Functions)

Formula functions are logical and programmatic functions, used with fields and operators to build Formula Expressions in any of the following platform elements:

- Formula Fields
- Validations
- Formulas in Computed Fields
- Policy triggering criteria in Action-Based Data Policies
- Update Record Action in Data Policies.

The reference information for each Formula Function includes:

- Format (syntax) of the Function
- Argument(s)
- Description(s)
- Return Value
- Examples

## Contents |

## Date Functions

See Date for details about these Day, Date and Time-related formula functions:

## Logical Functions

See Logical for details about functions resulting in TRUE/FALSE (YES/NO, 1/0):

## Math Functions

See Math for details about mathematical functions:

## Text Functions

See Text for details about text-related formula functions:

## Uncategorized Functions

## Conventions

The following conventions are used in this document:

Element | Description |
---|---|

string | Strings must be enclosed with single quotes |

dString | Date strings must be enclosed with single quotes |

int | An integer,for example, a number representing the number of days (or months or years) |

value | An argument in date- and date/time-related Formula Functions, which defines a unit of time |

[ ,optional] | Optional values are shown in brackets, as [ ,option1, option2] |