midb() Function

Function

midb( text, start_num, num_bytes )

Returns a substring from the middle of the specified text.

Parameters

Keyword	Type	Description
text	Text	The text from which the substring will be extracted.
start_num	Number	The positional index in bytes of the first byte of the substring to be returned.
num_bytes	Number	The length in bytes of the substring to extract.

Returns

Text

Usage considerations

The first byte of the entire text value is considered to have an index = 1.

Examples

midb("boston",4,2) returns to

Feature compatibility

The table below lists this function's compatibility with various features in Appian.

Feature	Compatibility	Note
Portals	Compatible
Offline Mobile	Compatible
Sync-Time Custom Record Fields	Compatible	Can be used to create a custom record field that only evaluates at sync time.
Real-Time Custom Record Fields	Incompatible	Custom record fields that evaluate in real time must be configured using one or more Custom Field functions.
Process Reports	Compatible
Process Events	Compatible
Process Autoscaling	Compatible

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