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Table of Contents
stylenone

Set Variable Value

This action allows you to store a value inside a variable or a custom field. This is very useful when you want to collect data from your users.

...

The Different Types of Value

Once you click on the set custom field action, you’ll be able to choose which custom field needs some to update in terms of value.

...

Should you need to create a new custom field, just type in the name and choose the type of custom field you’d like to create.

Variable Operations

UChat provides you with various built-in operations for variable modification.

There are 6 types of variable in UChat:

Type

Storage

Example

Operation

Text

letters, words, sentences...

Hi, UChat.

cutting, change case, encode, decode...

Number

number

123.45

+ - x ÷, mod, power, log, root, round...

Boolean

either "yes" or "no"

yes

assign

Date

date

2021-03-30

format, add months/weeks/days

DateTime

date and time

2021-03-30 16:52:00

format, add months/weeks/days/hours/minutes

JSON

a series of variables

{"name":"jack", "age":"10"}

load, get, update, remove, count, sum, average, sort, shuffle, reverse...

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Click "Basic Actions" in the Action step and here are the "Set Variable Value" and "Clear Variable Value".

Clear Custom Field / Clear JSON

To clear text, number, boolean, date, datetime variable, please use the Clear Custom Field action.

To clear JSON variable, please use the Remove All Items operation in the JSON Operation.

input value

"input value" operation is used to assign value to a variable. This operation works for any variable type.

Info

TIP - "input value" for text variable can be used to connect several text variables. See the below picture for where to put original value and operated value.

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Math Formula

...

With this operation, you can now do formula calculation directly in the Action Step - "Set Variable Value" and Condition Step - "Value".

Math operations and function supported:

+, -, *, e, pi, PI, abs(), min(), max(), ceil(), floor(), log(), pow(), round(), sqrt(), sin(), cos(), tan()

Note

Please note that If the formula is invalid, the system will return 0 to number variable and empty to text variable.

Set Text Variable

trim text

Description

e.g. Before

e.g. After

remove spaces before or after the text

" abc"

"abc"

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sub string

Description

e.g. Before

e.g. After

get part of the text

"Hi, UChat!"

"UChat"

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Info

Note - Index starts from 0. Every character counts including space and punctuation.

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replace string / replace string case sensitive

Description

e.g. Before

e.g. After

replace part of the text

"Hi, UChat!"

"Hello, UChat!"

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Info

Note - In case sensitive situation, you have to put exactly "Hi" rather than "hi", "HI" or "hI".

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to lower / upper case

Type

e.g. Before

e.g. After

to lower case

"Hi, UChat!"

"hi, uchat!"

to upper case

"Hi, UChat!"

"HI, UCHAT!"

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generate random text

Description

e.g. Before

e.g. After

as the name

"code: XXXX-####-xxxx"

"code: UBWT-3657-lkzb"

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This feature is useful when you need to generate one-time verification code or reference code.

url encode / decode

Type

e.g. Before

e.g. After

encode

"Hi, UChat!"

"Hi%2C%20UChat!"

decode

"Hi%2C%20UChat!"

"Hi, UChat!"

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base64 encode / decode

Description

e.g. Before

e.g. After

encode

"Hi, UChat!"

"SGksIFVDaGF0IQ=="

decode

"SGksIFVDaGF0IQ=="

"Hi, UChat!"

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to URL friendly slug

Description

e.g. Before

e.g. After

replace spaces with hyphens and remove the rest signs

"it's a good day"

"its-a-good-day"

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get text before/after

Description: get part of the text.

Type

e.g. Before

e.g. After

get text before another text

name: UChat, city: Melbourne

name

get text before last occur of another text

name: UChat, city: Melbourne

name: UChat, city

get text after another text

name: UChat, city: Melbourne

UChat, city: Melbourne

get text after last occur of another text

name: UChat, city: Melbourne

Melbourne

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Set Number Variable

get text length

Description

e.g. Before

e.g. After

as the name

500.59

6

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generate random number

Description

e.g. Before

e.g. After

as the name

n/a

56

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add / subtract / multiply / divide / modulus / power / natural logarithm / square root

Description

e.g. Before

e.g. After

as the name

7

8

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Info

TIP - in "natural logarithm", when you are calculating log2(8) = ? put 8 as "Value" and 2 as "Number".

round

Description

e.g. Before

e.g. After

as the name

7.8693

7.87

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floor / ceil

Description: get approximate integer.

Type

e.g. Before

e.g. After

floor

6.55

6

ceil

6.55

7

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Set DateTime Variable

from formatted text

Description

e.g. Before

e.g. After

get DataTime value from formatted text

00:00:00 30th Aug, 2020

2020-08-30 00:00:00

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add minutes / hours / days / weeks / months

Description

e.g. Before

e.g. After

as the name

2021-01-01 00:00:00

2021-01-01 00:01:00

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