[ML] Update trained model docs for truncate parameter for bert tokenization (#79652)

docs/reference/ml/df-analytics/apis/get-trained-models.asciidoc

@@ -195,6 +195,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -249,6 +253,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -296,6 +304,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -366,6 +378,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -413,6 +429,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -475,6 +495,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]

docs/reference/ml/df-analytics/apis/put-trained-models.asciidoc

@@ -454,6 +454,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -496,6 +500,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -532,6 +540,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -591,6 +603,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -626,6 +642,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]
@@ -677,6 +697,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenizati
 (Optional, integer)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-max-sequence-length]
 
+`truncate`::::
+(Optional, string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-truncate]
+
 `with_special_tokens`::::
 (Optional, boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=inference-config-nlp-tokenization-bert-with-special-tokens]

docs/reference/ml/ml-shared.asciidoc

@@ -925,6 +925,22 @@ Specifies if the tokenization lower case the text sequence when building the
 tokens.
 end::inference-config-nlp-tokenization-bert-do-lower-case[]
 
+tag::inference-config-nlp-tokenization-bert-truncate[]
+Indicates how tokens are truncated when they exceed `max_sequence_length`.
+The default value is `first`.
++
+--
+* `none`: No truncation occurs; the inference request receives an error.
+* `first`: Only the first sequence is truncated.
+* `second`: Only the second sequence is truncated. If there is just one sequence,
+					 that sequence is truncated.
+--
+
+NOTE: For `zero_shot_classification`, the hypothesis sequence is always the second 
+sequence. Therefore, do not use `second` in this case.
+
+end::inference-config-nlp-tokenization-bert-truncate[]
+
 tag::inference-config-nlp-tokenization-bert-with-special-tokens[]
 Tokenize with special tokens. The tokens typically included in BERT-style tokenization are:
 +