How to maintain a key value pair in a constant and pick the value by passing the key?

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

Jim Schweitzer — Tue, 31 Jul 2018 15:39:31 GMT

You could try keyval() function
docs.appian.com/.../fnc_text_keyval.html

keyval({"72-ABC","75-DEF","80-GHI"}, {72}, "-") = "ABC"

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

Wed Prakash Gupta — Tue, 31 Jul 2018 14:44:20 GMT

It's a shared component, go through this link:

forum.appian.com/.../summary

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

yeswanththiyarir — Tue, 31 Jul 2018 14:13:45 GMT

You could use Decision or display value. But using a decision would be easier and as it is an object it has more reusability.
Thanks
Yeswanth.

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

srinandhavin5120 — Tue, 31 Jul 2018 13:02:47 GMT

Hi,

One suggestion where we can use a constant to solve this.

1. We can create a constant of type Text Array and give the values like [key=value]

[72=ABC] where 72 is the key, = is the separator and ABC is the value
[75=DEF]
[80=GHI]

Refer Screenshot below

2. To access these values from a rule, we can use the function keyval()

Refer: Link to Documentaion keyval()

The following code takes key as input and returns the value:

keyval(
joinarray(
cons!test_keyval,
""
),
ri!key,
"=",
"]"
)

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

rp_balaji — Tue, 31 Jul 2018 11:54:44 GMT

Hi Prakash,

Am using 18.2 version and I couldn't find the function loadBundle(), may I know if it is deprecated in the latest versions.

Regards,
Balaji.R

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

santhosh Kumar — Tue, 31 Jul 2018 11:30:56 GMT

Hi Balaji

The function displayvalue() could be one of the solutions for your requirement.

load(
local!a: {
"72",
"75",
"80"
},
local!b: {
"ABC",
"DEF",
"GHI"
},
displayvalue(
ri!input,
local!a,
local!b,
null()
)
)

Thanks
Santhosh

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

Wed Prakash Gupta — Tue, 31 Jul 2018 11:28:58 GMT

Hi rpbalaji2006,

You can also use loadBundle() function which takes a constant of text document. The document contains pair of key and its value. You need to take output of function in a local variable, later on you can use this local variable as local!variable[key] to get the value.

Thanks & Regards,
Wed Prakash Gupta

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

rp_balaji — Tue, 31 Jul 2018 10:37:02 GMT

Hi Chandu,

Thanks for the suggestion it helped me and the response is quite fast as well.

Regards,
Balaji.R

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

chandu — Tue, 31 Jul 2018 09:30:42 GMT

Hi Balaji, Why don't you go with Displayvalue function ? did you ever tried that?
Please go through the documentation here.
docs.appian.com/.../fnc_conversion_displayvalue.html

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

rp_balaji — Tue, 31 Jul 2018 09:03:48 GMT

Thanks ekanshj for your suggestion.

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

rp_balaji — Tue, 31 Jul 2018 09:03:19 GMT

Thanks Sandeep.

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

Sandeep Deshmukh — Tue, 31 Jul 2018 08:42:58 GMT

Balaji,
Decision is an alternative here. except DB table (rather than constant) or custom expression rule,I do not think we have any other option to maintain key-value.

Thanks,
Sandeep

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

rp_balaji — Tue, 31 Jul 2018 07:08:23 GMT

Hi Sandeep,

Thanks for your suggestion and 1 question I have here is if I use decision object it could perform a nested IF and check for the conditions till the value matches and Key-Value pair I was interested is because in a key-value pair the search might not be a nested IF but if we don't have option of maintaining key-value pair in Appian then decision is the best way of handling it. Please correct me if my understanding is wrong.

Regards,
Balaji.R

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

Sandeep Deshmukh — Tue, 31 Jul 2018 06:41:49 GMT

Hi rp_balaji ,

If you are using latest version of Appian please explore decision object. There are multiple ways of using Key values but I can suggest decision Object. You need to define your Key as input parameter and value as output.

Thanks,
Sandeep

RE: How to maintain a key value pair in a constant and pick the value by passing the key?

ekanshj — Tue, 31 Jul 2018 06:39:47 GMT

Hi,
You cannot use constant for this but instead create a Decision for this scenario.
Refer to the screenshot to know how it works.